Yes, you'll find most room reservations are refundable if you cancel prior to the accommodation's cancellation deadline, which often is within 24-48 hours of your arrival date. If you booked a non-refundable reservation, you may still be able to cancel and receive a refund within 24 hours of booking. Add your dates and click on "Search", then use the filter option "fully refundable" to get the best options available near Sokolniki Park.