Yes, you'll find most hotel reservations are refundable if you cancel prior to the hotel's cancellation deadline, which in most cases is within 24 or 48 hours of your arrival date. If you have a reservation that's non-refundable, it might still be possible to cancel it and receive a refund within 24 hours of your booking. Add your dates and click on "Search", then filter by "fully refundable" to get the best deals near Comendador Azevedo Square.