You can in Adversus postpone booked meetings to another time. To do this you can use the following guide:
1. Select "Warehouse" from the menu on the left and choose Bookings. (See guide to bookings here)
2. Find the meeting you want to postpone and click on the meeting
You have to choose a meeting in your column, then there will be a pop-up where you need to press go to booking.
3. From the "Meeting Status", select "postponed" and a calendar will appear. Here you can select the new time and select "Update":