This policy applies to most hotel reservations, flights, and car rentals. American Airline provides a 24-hour cancellation window for most bookings, allowing for a full refund if canceled within that time frame. For more details on your specific reservation, please contact American Airline customer care at 【{+????-????????????→(????????????)→(????????????????} 】 https://support.dhigroup.com/forums/general-discussion/1cb34c45-a7b1-ef11-95f5-7c1e52119dc3