I want to cancel a reservation that booking.com has confirmed

Hi

So when there is a deposit and the auto message template for new reservation is defined for this , How much, How to pay, and must pay with in x hours for last minute, Y days for normal,...

then you can cancel it, by clicking right pane, Request Cancellation on the reservation details page.

Choose option 1 and follow the prompts.

Reminder you cannot post actions requests or any action request on here.

Message or Call BdC PartnerSupport ***

1. In the extranet, go to the ‘Inbox’ tab.
2. Select ‘Booking.com messages’.
3. Right Pane - Click on ‘See Contact Options’. 
4. Choose Account
5. Now choose Other
6. Then at bottom , See all contact options, and click Message or Call
7. As there is no one number for all partners, the number for your nearest BdC Partner Support is then revealed.

*** public main lines via Where you can reach us