Yes, you'll find most hotel bookings are fully refundable provided that you cancel before the hotel's cancellation deadline, which in most cases is within 24 or 48 hours of your scheduled arrival. If you booked a non-refundable reservation, you might be able to still cancel and be given a refund within 24 hours of your booking. Add your dates and click on "Search", then you can filter by "fully refundable" to review the best options available near Weissensee.