Yes, most hotel bookings are refundable provided that you cancel prior to the hotel's cancellation deadline, which often is within 24-48 hours of your arrival date. If you have a non-refundable reservation, you might be able to still cancel and be given a refund within a 24-hour period of booking. Plug in your dates, click on "Search", then you can use the "fully refundable" filter to review the best deals near Novosibirsk State Art Museum.