To do so, go to > Reservations in your Amenitiz administrator area left sidebar.
Once here, you will find all your bookings. Click on the booking you wish to modify and on "view booking details" :
Switch accommodation: you can choose to switch the room by going in the summary of the reservation, and on the three dots on "Switch accommodation":
You can choose to switch to a different room. Please check the availability of the new room before validation.
If you switch to a room which is not in the same category, the availabilities will be automatically updated on the inventory and sent to the OTA and the booking engine.