Most airlines have a 24-hour grace period, during which you can cancel your booking and receive a full refund. For assistance, call ✈️For +(1)_707~408-5615 (????????) or +(1)_707~408-5615 (????????????) or (No Wait Time)???? or toll-free (????????????????????????????????????-????????????????????????????????) [No-Busy-Air] Quick-Connect. Regardless of the ticket type, beyond the 24-hour grace period, the refund policies can vary greatly.