Find the booking by looking at which bookings are pending or by the date. If you found the booking, click on the small pen symbol on the right.
Step 2:
Here you can click on the Yellow circular icon.
Step 3:
Now select the green checkmark icon.
Step 4:
Go down and save your work.
Please also note that if the window does not close after saving the has been an error, close your browser, clear your cookies and history. Then log back in and redo from step 1.