Travel & Hospitality AI agent · Booking
Booking & Reservation AI Agent
Quote the total a guest must pay in every turn that mentions money, describe accessible rooms in detail a guest can assess alone, and hold the booking for the reservations desk that confirms it.
- Typical delivery
- 4–6 weeks
- Deployment
- Your stack
- Desk confirms
- Total price
- After launch
- Agent Care
What this agent does
Quotes the total, never the confirmation
In
- 01
Ingest rate plans, mandatory charges, tax rules and room inventory from supported PMS or channel sources.
- 02
Normalise each charge by whether the guest can avoid it, not by the name the property has given it.
Reason
- 03
Resolve which jurisdiction's pricing rule the quote is built under before any price is composed.
- 04
Compose the total the guest must pay, and carry that figure into every turn that states a price.
- 05
Bind each charge in the quote to the rate record it came from, and mark what the record leaves open.
Decide
- 06
Describe accessible features in assessable detail, and keep the specific room blocked in connected systems.
- 07
Flag fee explanations, fare rules and policy summaries the agent must not compose on its own.
Out
- 08
Retain the rate record, the quote, the flags, the desk's amendments and the approval on the booking.
- 09
Execute write actions only inside the approval boundaries agreed during implementation.
Product statement
The agent quotes; the reservations desk decides whether a booking is confirmed, and the property stays the seller of record.
Example workflow
One enquiry, rates to confirmation
- 1Enquiry receivedVoice, chat, web widget, OTA message or channel request
- 2Rates and rules assembledRate plan, mandatory charges, tax rules, inventory and the market it is quoted under
- 3Quote composedTotal price, the charges in it and confidence
- 4Controls appliedTotal-price checks, jurisdiction rules, accessible-inventory holds and confidence threshold
No human action required
Stages 1 to 4 run unaided, and nothing is confirmed at any of them — the agent is quoting, and the desk's lane opens at the confidence gate.
Goes to the reservations desk to approve.
Adds a rates-desk read first.
Reservations approval
The quote is held with the charges behind it, its flagged lines and the confidence.
Approve · Amend · Send to the rates desk
Approved — released to book
- 6Reservation systems updatedOnly where write access and approval policy allow it
- 7Outcome evaluatedQuote corrections, flagged-line outcomes, omitted charges and post-booking 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
- Confirming a reservation or taking a guest payment.
- Explaining what a mandatory fee is charged for.
- Reassigning a room that is held for accessible use.
- Adding an optional service the traveller did not pick.
Automation boundary
Agent acts unaided
- ✓Assemble the total price from the rate and the mandatory charges.
- ✓Describe accessible features in detail a guest can assess.
- ✓Apply the jurisdiction rules configured for the property.
- ✓Flag what a person must weigh, and hold the booking for them.
Any write happens inside the boundaries agreed at implementation, never ahead of approval.
- Stating a legal requirement to a guest or traveller.
- Setting or changing a rate, a fee or a fare rule.
- Refusing a booking, or applying a screening rule.
- Changes to the pricing, fee or approval configuration.
Example output
One quote, annotated
Everything the agent quotes is attached to the rate record it was drawn from.
Booking output · single enquiry
Illustrative example- Stay
- Two-night city stay
- Quoted line
- King room, two nights, with the mandatory destination charge in
- Total payable
- $412.00
- Source of record
- Rate plan on file
- Confidence
- 93%
- Attribution
- Property name and booking terms
As received
Taken from the rate plan and the charge schedule on file — nothing on this side is written by the agent.
Source records used
- Rate plan on file
- Mandatory charge list
- Tax and levy table
Why this wording
It states the total the guest pays, not a nightly rate a mandatory charge sits outside.
What the score decides
Below the configured threshold the quote picks up a rates read before it reaches the desk.
Action
ApproveAmendSend to the rates deskValue
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 enquiry
From the rate record
Quote from the record
Draw on the rate plan on file and the charge and jurisdiction rules configured for the property.
Quote the total, every time
Routine availability and price answers arrive already totalled.
Send review to the risky quotes
Flagged charges and low-confidence quotes are marked, so the desk's read starts where risk concentrates.
Build an evidence trail
The quote, the rate and fees behind it and the person who confirmed it stay on the booking.
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
Distribution
- Channel manager
- GDS
- Booking.com
- Expedia
- Airbnb
Central reservations
- SynXis
- Pegasus
- Amadeus
- Sabre
- Travelport
Agent
Booking and reservation
- Reads the rates
- Quotes the total
- Holds for the desk
Payments and folios
- Adyen
- Stripe
- FreedomPay
- Elavon
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 guest
Each control wraps the one inside it. What a layer does not catch is named in the map below it.
L6 · Outermost — last line of defence
Inward → L1 · closest to the model
- L1 – L2
- Test whether a quote may stand
- L3
- Puts the release in the desk's hands
- L4 – L5
- Keep the quote and the fees behind it
- L6
- Drops the agent to availability lookup when signals degrade
How Nestack evaluates it
Evaluate the quoting workflow — not only the number at the end.
Coverage runs the whole depth of the workflow, and every layer is cut by slice.
Surface — the price the guest hears
- E1Final-output evaluationDid each charge the guest must pay sit inside the total?
- E2Step-level evaluationDid the agent use the right rate plan, charge list and market rules?
- E3Tool evaluationDid it read and write the correct property and the correct rate?
- E4Confidence calibrationDo low-confidence quotes actually attract more desk amendments?
- E5Slice evaluationHow does performance change across specific booking types?
- E6Business outcomeHow many quotes needed a desk amendment or a correction after booking?
Floor — the price the property has to honour
Failure modes
Where each failure originates in the agent
Seven ways a quote goes wrong, placed at its stage.
Agent lifecycle
Direction of processing →
01 · Retrieval
1 mode
- BW-03
Superseded rate record
A rate or charge is read from a plan the property has moved past.
Stage gathers
Rate plans, mandatory charges, tax rules and inventory
02 · Reasoning
2 modes
- BW-04
Mandatory charge left out
A charge the guest cannot avoid is quoted outside the total.
- BW-06
Fee purpose composed
The agent writes what a charge covers instead of citing it.
Stage proposes
Total price, the charges in it and confidence
03 · Tool / write
2 modes
- BW-02
Accessible room sold on
The last accessible room goes to a guest who did not ask.
- BW-05
Room type, not room
A room type is blocked and no specific room is held.
Stage writes
Only where write access and approval policy allow it
04 · Output
1 mode
- BW-01
Quoted without the total
A price reaches the guest with a mandatory charge outside it.
Stage returns
The quote the desk approves and the guest is held to
05 · Change / Version
1 mode
- BW-07
Silent charge-rule regression
A model or rule change widens what the agent will quote.
Stage tracks
Model, prompt, charge rules and market config
- Sev-1 · quote given without the total
- Sev-2 · a wrong charge reaches the guest
- Sev-3 · source degrades, quote routes to review
Affected slices
One rate class can carry the whole rate
The cohort that hides is the one carrying a mandatory charge. An aggregate amendment rate averages plain direct bookings against stays where a resort charge.
Slice performance — reported separately, not only in aggregate
Illustrative example| Slice | Failure rate | Lift | Lift vs. threshold | Status |
|---|---|---|---|---|
| Resort-fee properties | 5.2% | 3.7× | Review | |
| Accessible-room requests | 3.6% | 2.6× | Review | |
| Multi-jurisdiction portfolios | 2.1% | 1.5× | Watch | |
| Standard direct bookings | 1.1% | 0.8× | Normal |
Bar: desk-amendment-rate lift vs. standard-direct 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
A cycle closes when the failure is a regression case the next release has to pass. That suite is what the next booking taken is measured against.
Improvement cycle · five stages
Switchback — the path turns at Improve and returns at Learn
- 01
Detect
Desk-amendment rate rises in a booking slice.
- 02
Diagnose
The quote is read first, then the rate record beneath it, until the cause narrows to one.
- 03
Improve
The change ships against a version, with the bookings that exposed it attached.
- 04
Verify
Release is blocked until the affected regression cases pass again.
- 05
Learn
The case joins the permanent suite and the reservations playbook.
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, quoting workflow, evaluation, integration, then production validation and handover.
Workstream
Week 1Week 2Week 3Week 4Week 5Week 6
- 01Booking workflow discovery and boundary definition.Week 1
- 02Reservation and channel source assessment.Week 1, Week 2
- 03Total-price, charge and market rule mapping per region.Week 1, Week 2
- 04Rate-record ingestion and normalisation.Week 2
- 05Total-price assembly and charge binding.Week 2, Week 3
- 06Confidence scoring and flag routing.Week 3
- 07Reservations desk approval workflow.Week 3, Week 4
- 08Reservation-system integration.Week 5
- 09Total-price and inventory cases.Week 4, Week 5
- 10Guardrails and confirmation controls.Week 4
- 11Booking-trail instrumentation.Week 5, Week 6
- 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 tier | PilotOne property, one market | ProductionProduction reservation systems | AdvancedMultiple properties / brands |
|---|---|---|---|
| Introduced at Pilot | |||
| Quoting to your rates and rules | ✓ | ✓ | ✓ |
| Reservations desk approval | ✓ | ✓ | ✓ |
| Quote-accuracy baseline | ✓ | ✓ | ✓ |
| Introduced at Production | |||
| Reporting by rate class | — | ✓ | ✓ |
| Approval workflow in your systems | — | ✓ | ✓ |
| Approved write-back | — | ✓ | ✓ |
| Reservation-system integration | — | ✓ | ✓ |
| Introduced at Advanced | |||
| Multi-jurisdiction pricing rules | — | — | ✓ |
| Multi-stage property approvals | — | — | ✓ |
| High booking volume | — | — | ✓ |
| Multi-property booking controls | — | — | ✓ |
| Build price | From $5,000 | From $8,000 | Custom quote |
- Final build price
- Confirmed after discovery based on integrations, workflow complexity, booking 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.
You bring
We build with it
01Your rate plans and the charges attached to each
→Rate-record ingestion and charge mapping
Week 102Quotes you have already given guests
→Quoting baseline, total-price assembly and source binding
Week 203Your charge rules and the markets you sell in
→Total-price, charge and market rule mapping
Week 104Access to relevant APIs, feeds or exports
→Reservation, channel and PMS assessment, then integration setup
Week 205Quotes you would not want honoured
→Total-price cases and failure-mode testing
Week 406What no quote may leave out
→Confidence scoring, flag routing, guardrails and approval controls
Week 307Named reservations staff to approve quotes
→Desk 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 phase sits on the weeks it actually occupies, and week 5 carries both evaluation and launch work.
Phase
W1
W2
W3
W4
W5
W6
- DiscoveryW1
- BuildW2 – W3
- EvaluateW4 – W5
- Pilot & LaunchW5 – W6
Week focus
W1Booking workflow discovery, charge-rule mapping and the automation boundary
W2Source integration and the quoting baseline
W3Quoting workflow, confidence logic and approval controls
W4Total-price cases, accessible-inventory checks and failure-mode testing
W5Reservation-system integration, pilot bookings and targeted corrections
W6One booking cycle taken under the desk, then Agent Care handover
- Reading the band
- Bars are drawn over the weeks the work occupies. The fifth doubles because evaluation and launch overlap.
- At the end of W6
- Validation closes on live bookings, and Agent Care picks up monitoring.
- Duration
- Six-week plan shown · typical delivery 4–6 weeks depending on scope confirmed in discovery.
Next step · Travel & Hospitality AI agent
Build a booking agent around the total price you have to honour.
Short-term lodging is one of only two sectors the federal fee rule reaches, and in a conversation there is no screen — every price the agent utters is a display. Tell us who signs a quote off before a guest is held to it; that name is where the quoting workflow ends.
- Typical delivery
- 4–6 weeks
- Deployment
- Your rates
- Desk approves
- Total price
- After launch
- Agent Care available
Nestack Agents · Booking and reservation
AGT-TH-01 · Agent Care available after launch