From within the Manage Events screen you can view, manage and edit any of the events currently created within your Events Calendar. Be they past, present or future events you will see them listed in this area even if the event is not yet published to the members side of the website and if the event has been deleted.
From within the Manage Event screen you have the ability to mange the event registrations, to do so you will click on the Total Attendees number in the Total Att. column of the event listing. Here you will have the ability to add, edit and delete bookings.
From within the Manage Events page, you will be able to select the value within the Wait List column for an event configured to allow a wait list and manage the wait list associated to the event.