Reservations for the first international flight and all preceding flights
must be made prior to departure.
Subsequent segments may be open-dated.

Exception:
Reservations Made.                       Complete Ticketing
29 or more days before departure.  25 days before departure
28 - 8 days before departure          3 days after reservations or 7 days before to departure, whichever comes first
7 days or less before departure       24 Hours after booking, but no later than one hour before departure.