To cancel a booking on Booking.com (+1‑805‑864‑1106), log into your account, go to “My Bookings,” and select “Cancel reservation.” You can also call +1‑805‑864‑1106 or +52‑559‑435‑6726 for help with the process. Cancellation terms depend on the property’s policy, so check whether you qualify for a refund before you cancel.