It is a simple tool, which will help you manage offered services, one or more clubs and coaches who work there.
The client has the capability of reserving or cancelling lessons with their private app. If the lesson is cancelled, the reservation system will offer the lesson to clients on waitings list or others.
Your clients are your best marketing channel so why not use it? When someone is making a reservation, they can easily share the event with others and build your cliental.