Cancellation requests postmarked, emailed or made online by March 31, 2015, will receive a total refund. Cancellation requests postmarked, emailed or made online between April 1 and April 30, 2015, will receive a 75% refund. Cancellation requests postmarked, emailed or made online between May 1 and May 31, 2015, will receive a 50% refund. After May 31, 2015, no refund.