To change the emails and push notifications you receive to remind you about your personal events:
Go to Menu >> Booking system
Select Notification preference
Here you have the option to untick the 2 hour reminder for each of your personal events
Once you have selected the options you wish, go back, and your preferences will be saved
Note - Reminder will automatically be selected unless you wish to change these. If you turn this off, this will apply to both emails and push notifications.