1. To delete a meeting appointment, you have to be first on your operator account.
2. Press on the Meeting appointments tab from the left side of the page.
3. Then press on the List tab from below in order to see all meeting appointments in calendar view.
4. Then press on the Search button from the top of the calendar.
5. Then press on the Delete button ( ) on the right of the wanted meeting appointment.
6. Once pressed, the meeting appointment will be deleted, so think twice before taking this kind of action.