Yes, most room reservations are fully refundable if you cancel prior to the accommodation's cancellation deadline, which often is within 24-48 hours of your scheduled arrival. If you have a reservation that's non-refundable, it may still be possible to cancel it and receive a refund within a 24-hour period of your booking. Plug in your dates, click on "Search", then you can use the "fully refundable" filter to view the best deals near Opera and Ballet House.