All travelers who make their 1st Payment on or before the assigned date will be guaranteed a spot on the tour. Please allow ample time to complete the reservation process. In rare instances, you may experience technical difficulties online, be unable to reach us by phone, or your mailed reservation and payment may not be delivered. It is the parent or guardian’s sole responsibility to ensure payment and reservation is received on or before the 1st payment date. After the 1st Payment date availability is based on a first-come first-serve basis.