???????????????????? 24-hour rule allows passengers to cancel or modify bookings within 24 hours of purchase without charges. You can talk/chat/speak with their team at1-866-884-3315{US} / +44(800-208-1075){UK} for immediate support. Visit www.deltaair.com or email [email protected] for further details. https://www.ingrammicroresellerapplication.com/forums/general-discussion/a8a3a101-b5b8-ef11-95f6-002248507b90