1. A guest wants to change rooms a day after checking in. Enter the booking by clicking on it.
2. Click on the booking and select Edit room.
3. Change the date of departure so that it ends the day the guest wants to change rooms (most likely today)
4. Scroll down and click on Add Room
5. Scroll down.
Change the check-in date of the new room to today's date.
Change the check-out date so that it is correct.
Pick the room and type.
7. Click Save. You're done!