If there are no bookings before yours, you may bring forward the start time of your booking by performing the following steps,
Tap on your upcoming booking and tap on Edit booking
Drag the selection from the top to an earlier start time
Tap on Save
Tap on Confirm
Do note that you will not be able to bring forward your booking’s start time should there already be a booking prior.
To find out how to extend your ongoing booking, click on the button below.