An existing reservation can't be modified. To make changes to a reservation, you need to cancel it and make a new booking. Facts to consider before canceling a reservation:
The reservation needs to be canceled at least 24 hours before the date of check-in.
25% of Gems will be deducted automatically from the previous reservation cost as a cancellation fee.
To make another reservation, a player needs to be at VIP Level 3 or higher.
Room prices may increase/decrease since the previous booking.
To find the process of canceling a reservation, click here.