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Travel & Hospitality AI agent · Check-in

Front-Desk & Digital Check-In AI Agent

Prepare the arrival from the record, keep the specific accessible room blocked out of general stock, and hold the key, the identity check and any walk for the front office.

Typical delivery
4–6 weeks
Deployment
Your stack
Desk releases
Blocked rooms
After launch
Agent Care

What this agent does

Prepares the arrival, never releases the room

In

  1. 01

    Arrival records, folios, room blocks and identity rules, ingested from supported PMS and kiosk sources.

  2. 02

    Room blocks first: the specific room held for a guest who needs it stays out of general stock.

Reason

  1. 03

    Feature detail rather than a room-type label, so a guest can judge a room against their own needs.

  2. 04

    Arrival steps prepared from the record — documents, payment state, preferences and any note on file.

  3. 05

    Identity and payment checks run as configured rules, with the outcome recorded rather than judged.

Decide

  1. 06

    Safety and welfare signals raised to a named person on shift rather than answered by the agent.

  2. 07

    The prepared check-in held for the front office, which releases the key and the room.

Out

  1. 08

    A retained trail: the arrival, the block, the flags, the desk's amendments and who released it.

  2. 09

    Write actions executed only inside the approval boundaries agreed during implementation.

Product statement

The agent prepares the arrival; the front office decides who gets which room and who gets a key, and the property answers for both.

Example workflow

One arrival, record to key

  1. 1Arrival dueReservation, web check-in, kiosk session or walk-in at the desk
  2. 2Record assembledFolio, preferences, accessibility needs, payment state and the room blocked for the stay
  3. 3Arrival preparedArrival steps, the room blocked, confidence
  4. 4Controls appliedAccessible-inventory holds, identity rules, disclosure limits and confidence threshold

No human action required

Stages 1 to 4 run unaided, and no key is issued at any of them — the agent is preparing, and the front office's lane opens at the confidence gate.

5DecisionBranches at the confidence threshold
High confidence

Goes to the front office to approve.

Low confidence

Adds a duty-manager read first.

Front-office approval

The arrival is held with the block behind it, its flagged lines and the confidence.

Approve · Amend · Send to the front-office manager

Approved — the desk completes it

  1. 6Property systems updatedOnly where write access and approval policy allow it
  2. 7Outcome evaluatedAssignment corrections, flagged-line outcomes, room moves and post-arrival amendments

Amendments

Every desk amendment is counted in the evaluation.

What should not run autonomously

Human approval stays in control

Outside the boundary — human approval required

8 items

  • Reassigning a room held for a guest who needs it.
    • Walking an arriving guest to another property.
    • Releasing a key, or granting access to a room.
    • Capturing a face or voice template at the desk.

  • Automation boundary

    Agent acts unaided

    • ✓Assemble the arrival, the folio and the room blocked for it into the review queue.
    • ✓Check that the specific room is still out of general stock.
    • ✓Prepare the arrival steps and the documents the desk needs.
    • ✓Raise a safety signal to a named person on shift, and log it for the named owner.

    Any write happens inside the boundaries agreed at implementation, never ahead of approval.

    • Overriding an identity or verification check.
    • Refusing a guest, or ejecting one from a room.
    • Answering a request for a guest's room number.
  • Changes to inventory, identity or approval rules.

Example output

One arrival, annotated

Everything the agent prepares is attached to the reservation it was drawn from.

Check-in output · single arrival

Illustrative example
Arrival
Three-night stay
Prepared line
The one accessible room blocked for this guest, held as that room
Folio on file
$486.00
Source of record
Reservation record
Confidence
92%
Attribution
Property name and arrival policy

As received

Taken from the reservation and the room block on file — nothing on this side is written by the agent.

Source records used

  • Reservation record
  • Accessible-room block
  • Property arrival policy

Why this wording

It names the one room held for this guest, not a room type and a person still decides.

What the score decides

Below the configured threshold the arrival picks up a duty-manager read before the desk sees it.

Action

ApproveAmendSend to the front-office manager

Value

Where AI adds value

The same four claims, placed at the point in the workflow where each one applies.

Where the value lands

Value 01 – 04

Every arrival

From the reservation

03Preparing

Prepare from the record

Draw on the folio, the room blocked for the stay and the rules configured for the property.

01Approved path

Accessible stock is not stock

Routine arrivals reach the desk already prepared and already checked.

02Human review

Send review to the risky arrivals

Flagged assignments and raised signals are put in front of a named person, so the desk's read starts where risk concentrates.

04

Build an evidence trail

The check-in, the room held for it and the colleague who released the key stay on the folio.

Integrations

Typical integrations

Five system groups connect to the same agent. Which of them are in scope is decided in discovery.

  • Property management

    • Opera Cloud
    • Infor HMS
    • Mews
    • Cloudbeds
    • Apaleo

  • Doors and keys

    • Assa Abloy
    • Salto
    • Dormakaba
    • mobile key

  • Guest channels

    • Kiosk
    • web check-in
    • Messaging and app surfaces

Agent

Front desk and check-in

  • Reads the arrival
  • Prepares the steps
  • Holds for the desk

  • Folios and payments

    • Adyen
    • Elavon
    • Folio and point of sale

  • Observability & evaluation

    • OpenTelemetry
    • Langfuse
    • Supported monitoring/evaluation sources

Integration availability depends on the client's existing systems and API access.

Agent controls

Six layers between the model and the key

Each layer contains the next. What gets past the set is listed in the map below.

L6 · Outermost — last line of defence

Inward → L1 · closest to the model

L6Rollback / safe modeReduce the agent to desk queueing when evaluation or production signals degrade.Roll back
L5Version monitoringTrack model, prompt, inventory-rule and identity-configuration changes.Track
L4TraceabilityRecord the reservation, the block, the steps, the flags and the release time.Record
L3Front-office releaseHold arrivals for the named front office; it governs release, not whether an approved arrival is right.Gate
L2Policy guardrailsTest arrivals against configured inventory, identity and disclosure rules; a failure returns the arrival.Restrict
L1Confidence thresholdsRoute low-confidence arrivals to a duty-manager read before the desk sees them.Require review
Model coreArrival prepared — steps, the room blocked for it, flagged lines and confidence
L1 – L2
Test whether an arrival may stand
L3
Puts the release in the front office's hands
L4 – L5
Keep the assignment and the hold behind it
L6
Reduces to desk queueing when signals degrade

How Nestack evaluates it

Evaluate the arrival workflow — not only the moment at the desk.

Coverage runs the whole depth of the workflow, and every layer is cut by slice.

Surface — the room the guest is given

  1. E1Final-output evaluationDid the room blocked for the guest stay blocked as that room?
  2. E2Step-level evaluationDid the agent use the right folio, block and property rules?
  3. E3Tool evaluationDid it read and write the correct reservation and the correct room?
  4. E4Confidence calibrationDo low-confidence arrivals actually attract more desk amendments?
  5. E5Slice evaluationHow does performance change across specific arrival types?
  6. E6Business outcomeHow many arrivals needed a desk amendment or a room move afterwards?

Floor — the stay the property answers for

Failure modes

Where each failure originates in the agent

Seven ways an arrival goes wrong, by stage.

Agent lifecycle

Direction of processing →

  1. 01 · Retrieval

    1 mode

    • CK-03

      Stale inventory read

      A room is read as free from a list the property has moved past.

    Stage gathers

    Arrivals, folios, room blocks and identity rules

  2. 02 · Reasoning

    2 modes

    • CK-04

      Accessible room as stock

      A blocked room is counted back into the sellable pool.

    • CK-06

      Signal raised, none worked

      An alert reaches the board with no one named to work it.

    Stage proposes

    Arrival steps, the room blocked and confidence

  3. 03 · Tool / write

    2 modes

    • CK-02

      Room moved to fill a night

      A guest who needs that room is walked to fill an oversell.

    • CK-05

      Identity check waved through

      A verification step is skipped because the arrival looked routine.

    Stage writes

    Only where write access and approval policy allow it

  4. 04 · Output

    1 mode

    • CK-01

      Room number disclosed

      A caller who was not authenticated is told where a guest is.

    Stage returns

    The arrival the desk completes and

  5. 05 · Change / Version

    1 mode

    • CK-07

      Silent inventory-rule regression

      A model or rule change widens what the agent will reassign.

    Stage tracks

    Model, prompt, inventory rules and identity config

  • Sev-1 · an accessible room released
  • Sev-2 · a wrong assignment reaches a guest
  • Sev-3 · source degrades, arrival routes to review
See the complete Travel & Hospitality failure-mode catalogue

Affected slices

One room type can carry the whole rate

The guests under-counted here are the ones who asked for an accessible room and were told the property would sort it at the desk. A small share of arrivals, a large share of the failures.

Slice performance — reported separately, not only in aggregate

Illustrative example
SliceFailure rateLiftLift vs. thresholdStatus
Accessible-room arrivals6.7%3.6×Review
Sold-out nights5.2%2.8×Review
Late and walk-in arrivals2.6%1.4×Watch
Standard direct arrivals1.7%0.9×Normal

Bar: desk-amendment-rate lift vs. standard-arrival baseline · scale 0–4.0× · tick marks the 2.0× review threshold

2 of 4 slices over threshold

Evidence-linked improvement

Every cycle ends by adding a test

Nothing closes because it was understood. It closes when the next release has to pass a case, and that suite is what the next arrival is measured against.

Improvement cycle · five stages

Switchback — the path turns at Improve and returns at Learn

  1. 01

    Detect

    Desk-amendment rate rises in an arrival slice.

  2. 02

    Diagnose

    Read the arrivals and the blocks behind them together, and keep reading until the cause narrows to one.

  3. 03

    Improve

    Changes ship against a version with the arrivals that caused them.

  4. 04

    Verify

    A failing case blocks release until it clears.

  5. 05

    Learn

    The case is permanent, and the inventory rules move with it.

  6. Learn → Detect

    The return edge. Detection next time runs against a suite one case longer.

Typical build scope

Twelve workstreams across six weeks

The build scope read against the delivery timeline. Week structure follows the six-week plan — discovery, sources, arrival workflow, evaluation, integration, then production validation and handover.

Workstream

Week 1Week 2Week 3Week 4Week 5Week 6

  1. 01Arrival workflow discovery and boundary definition.Week 1
  2. 02Property-management source assessment.Week 1, Week 2
  3. 03Accessible-inventory and identity rule mapping per brand.Week 1, Week 2
  4. 04Arrival-record ingestion and normalisation.Week 2
  5. 05Assignment logic and hold binding.Week 2, Week 3
  6. 06Confidence scoring and flag routing.Week 3
  7. 07Front-office approval workflow.Week 3, Week 4
  8. 08Property-management integration.Week 5
  9. 09Accessible-inventory cases.Week 4, Week 5
  10. 10Guardrails and identity controls.Week 4
  11. 11Arrival-trail instrumentation.Week 5, Week 6
  12. 12Deployment, documentation and Agent Care handover.Week 6

12 workstreams · 6 weeks · bar shows the weeks a workstream is active — several run in parallel

Final scope and sequence confirmed in discovery

Engagement tiers

What each tier includes

Rows are the capabilities named in each tier's scope. Higher tiers include everything below them.

Capability✓ in scope · — not at this tierPilotOne property, one deskProductionProduction property systemsAdvancedMultiple properties / brands
Introduced at Pilot
Preparing to your rooms and rules✓✓✓
Front-office release✓✓✓
Assignment-accuracy baseline✓✓✓
Introduced at Production
Reporting by room type—✓✓
Approval workflow in your systems—✓✓
Approved write-back—✓✓
Property-management integration—✓✓
Introduced at Advanced
Multi-brand inventory rules——✓
Multi-stage front-office approvals——✓
High arrival volume——✓
Multi-property arrival controls——✓
Build priceFrom $5,000From $8,000Custom quote
Final build price
Confirmed after discovery based on integrations, workflow complexity, arrival volume, approval controls and deployment requirements.
Separate from build
Build pricing is separate from recurring Agent Care, which covers managed monitoring, evaluations, incidents and verified improvements after launch.

What we need from you

What you bring, and what we build with it

Each input maps to a piece of build scope and a week in the delivery timeline.

  1. 01Your room types and how blocks are held

    Arrival-record ingestion and block mapping

    Week 1

  2. 02Arrivals that went wrong at the desk

    Preparation baseline, assignment logic and hold binding

    Week 2

  3. 03Your identity rules and disclosure limits

    Accessible-inventory and identity rule mapping

    Week 1

  4. 04Access to relevant APIs, feeds or exports

    PMS, kiosk and door-system assessment, then integration setup

    Week 2

  5. 05Assignments you would not want made

    Inventory cases and failure-mode testing

    Week 4

  6. 06What a check-in may never reassign

    Confidence scoring, flag routing, guardrails and release controls

    Week 3

  7. 07Named front-office staff to release arrivals

    Front-office approval workflow, then pilot and production validation

    Weeks 5–6

Nothing else is required

Deployment, documentation and Agent Care handover are ours.

Delivery timeline

Four phases across six weeks

Each band covers the weeks it genuinely occupies, so the fifth week holds two kinds of work.

Phase

W1

W2

W3

W4

W5

W6

  1. DiscoveryW1
  2. BuildW2 – W3
  3. EvaluateW4 – W5
  4. Pilot & LaunchW5 – W6

Week focus

W1Arrival workflow discovery, inventory mapping and the automation boundary

W2Source integration and the preparation baseline

W3Arrival workflow, confidence logic and release controls

W4Accessible-inventory cases, held-act guardrails and failure-mode testing

W5Property-system integration, pilot arrivals and targeted corrections

W6One arrival cycle run under the front office, then Agent Care handover

Reading the band
A bar covers the weeks its work is named in, and nothing else. The week 5 overlap is real, not padding.
At the end of W6
Live arrivals close the validation and monitoring moves to Agent Care.
Duration
Six-week plan shown · typical delivery 4–6 weeks depending on scope confirmed in discovery.

Next step · Travel & Hospitality AI agent

Build a check-in agent that treats accessible stock as something else.

An accessible room reserved for a guest who needs it is blocked and guaranteed as that specific room, so it cannot be walked, upgraded away or handed to a late arrival. If you show us your arrivals board, your room blocks and who releases a key, we will map the workflow and name what stays with the front office.

Typical delivery
4–6 weeks
Deployment
Your arrivals
Desk releases
No face match
After launch
Agent Care available

Nestack Agents · Front desk and check-in

AGT-TH-07 · Agent Care available after launch

Build a check-in agent

Four questions so the call starts from your actual setup — then pick a time that suits you.

About you
Your arrivals

No obligation. We’ll map the workflow, name the automation boundary and tell you if an agent is the wrong answer.