To cancel all of your existing bookings on a given day:

Click on the building name next to the day you want to cancel your bookings, and change your status from "Office" to "Remote" or Not Working". Click "Save" and confirm.
This will only cancel onsite or desk bookings and not room bookings

To cancel specific bookings on a given day:

Click on the booking you want to cancel to go to the booking details page. Scroll down and click "cancel booking". This will leave all of your other bookings for the day intact.

Overview