To change the event type for a booking, you'll need to open the event, select the bookings to changes and then select the new event type for the booking(s).
Locate and then open the event that needs to be changed. After opening the event, the screen below will be displayed:
Select the bookings to change by checking the check box to the left of each booking. To select all bookings, use the check box in the grid heading (left of the column, Start Date).
After selecting the bookings to be changed, press Change Bookings, Change Event Type to bring up a list of event types to select from.
After selecting the new event type, press Save.