You are the owner of the booking.
Proceed as follows
Click on the booking you want to edit.
→ The booking is opened as a context menu.
Click the Edit button.
→ The Modify Booking dialog is displayed.
Make changes to your booking.
Click the Save button.
→ The booking is updated. A notification email containing an ICS file is sent to the corresponding users. Use the ICS file to update the booking in your calendar.
To change the dates of a booking, drag and drop the booking to the desired day. Confirm the change in the dialog.
If you want to extend a booking, drag & drop the start/end of the booking to the desired date. The booking is adjusted right away.
Only the booking owner or a manager/admin has the authority to edit a booking.