Only users with an administrator or booking administrator role can edit a booking. These users can edit their own bookings and the bookings of other players.
Click on any booking on the booking sheet, which will bring up the below overlay and then click the 'Edit Booking' button.
After clicking the 'Edit Booking' button, you will be taken to the edit booking page, as shown in the image below:
Please Note: If you have the Group Booking feature enabled you will not be able to edit or add the participants of the booking. All participants need to be added at the time of the booking being made.
Here you can make changes to the booking. Once you have finished making your changes, click the 'Continue Booking' button. You will now be taken to the booking confirmation page with the new details in place: