> For the complete documentation index, see [llms.txt](https://docs.zaui.com/io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zaui.com/io/api-function-definitions/booking/cancel.md).

# Cancel

The booking cancellation request allows your implementation to cancel previously made bookings, successfully created through your implementation, directly into the supplier system.