Step by step
Cancel from Calendar
Open the booking on Calendar. Under Quick Actions, choose Cancel, then confirm with Yes when asked Sure?
Or cancel from Bookings
Go to Bookings. Use Cancel on the row menu, or Cancel booking from the next-customer sidebar when shown.
Confirm in Cancel Booking
On Bookings, the Cancel Booking dialog appears. Optionally fill Cancellation Reason (Optional), then Confirm Cancellation — or Keep Booking to abort.
Verify status
Filter Bookings with Cancelled, or reopen the booking, to confirm it no longer sits in your active schedule.