All travel must be completed by June 30, 2011. Travel is subject to AirTran Airways contract of carriage, rules and regulations.  Schedules and markets are subject to change without notice.  Travel is non-refundable and non-transferable.  Roundtrip travel must be booked between the same city pair.  Expiration date will not be extended or renewed.  Reservations are subject to availability and capacity control restrictions.  Holiday blackout restrictions will apply.  Should you need to make any changes to your itinerary, a $75 change fee will apply.  Changes and cancellations can be made up to one hour prior to the scheduled departure time.  This certificate will not be replaced for any reason including certificates that are lost or stolen.  This certificate is for domestic travel only.  Shipping of item, if needed, is not included in bid price.