To edit the details of an appointment, select the appointment from your Calendar, Home tab or Client tab.
EDIT THE TIME AND DURATION
To edit the time and duration, tap Edit here.
Make the necessary edits and tap "save"
EDIT THE COST
To edit the service cost, tap this Edit button.
From here you can change the service, add another service or edit the total cost of the appointment, or add a product sale.
DRAG AND DROP
You can also reschedule an appointment from your calendar if you by tap and hold it then drag and drop it to the slot you want. Your client will receive an automatic email letting them know you rescheduled their appointment.