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cancel_booking

Cancel a booking using its unique ID. Optionally add a reason to notify the attendee.

Instructions

Cancel a booking.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
booking_idYesBooking ID
cancellation_reasonNoReason for cancellation (sent to attendee)

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations exist, so the description alone must disclose side effects. It fails to mention irreversibility, attendee notifications, or cancellation policies, leaving the agent blind to important behavioral traits.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

One short sentence is efficient but lacks detail. Conciseness is achieved at the cost of valuable context, earning a mediocre score.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite an output schema and well-documented parameters, the description omits critical context such as whether cancellation is reversible, prerequisite booking state, or how it interacts with other booking lifecycle tools.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%; both parameters have clear descriptions in the schema. The description adds no additional meaning, so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The verb 'Cancel' and resource 'booking' clearly convey the action. It distinguishes from siblings like reschedule_booking or mark_booking_no_show, but lacks additional context such as the effect on the booking's status or related notifications.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to cancel vs reschedule or mark no-show. Sibling tools exist for other modification actions, but the description provides no selection criteria.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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