Yes, most hotel bookings are fully refundable provided that you cancel before the accommodation's cancellation deadline, which is often 24 or 48 hours before your check-in date. If you have a non-refundable reservation, it might still be possible to cancel it and be given a refund within 24 hours of your booking. Plug in your dates, click on "Search", then use the filter option "fully refundable" to get the best options available near Bell Tower.