If you have booked your room directly from the website then you can call the administration and request them to cancel your booking – refer cancellation policy on website for more guidance. If you have booked your room via 3rdparty portals the cancellations will be as per their rules and regulations.
Thank you for reverting, we will check with the accounts team. Please give us 3 days time to revert with the exact detail about the problem. If you do not receive any answer within the said period, feel free to contact us at firstname.lastname@example.org