Originally Posted by
DBCme
We are currently unable to complete your request due to an undefined error. If this is the first time you have seen this message, please go back and try again. If you continue to have difficulties, please contact a Southwest Airlines Customer Representative for assistance at 1-800-I-FLY-SWA (1-800-435-9792).
Reference code:
Maybe I've reached my limit on # of bookings for this particular sale
edited: cache clear solved the prob