You can cancel your car service booking at any time after you schedule it. However, please cancel your trip no later than 4 hours BEFORE your scheduled pickup time to get a full refund. It is the passenger's responsibility to notify us if your flight is changed in any way. Please call (888) 800-8130 to inform us of any changes. If you fail to notify us of any flight changes, you may be charged a No-Show fee (full fare).