Yes, most hotel room reservations are fully refundable if cancelled prior to the accommodation's cancellation deadline, which in most cases is within 24 or 48 hours of your scheduled arrival. If your reservation is non-refundable, you might be able to still cancel and get a refund within 24 hours of your booking. Plug in your dates, click on "Search", then you can filter by "fully refundable" to get the best options available near Chari.