Yes, the majority of hotel bookings are fully refundable as long as you cancel prior to the hotel's cancellation deadline, which is often 24 or 48 hours before the scheduled arrival. If you booked a non-refundable reservation, it might still be possible to cancel it and get a refund within a 24-hour period of booking. Enter dates in and click on "Search", then use the filter option "fully refundable" to get top deals close to Rostech - South of Russia Exhibits.