Originally Posted by
istrategist
Thanks for the suggestions - I called and they said the itinerary / PNR was locked down because of a code I had used while booking on CO.com and they could not change it.
You need to call back. Don't call regular reservations, though. Call the web support desk at 800.300.1547 option 3. CO changed the reservation, not you -- and they unilaterally changed it to something that is unacceptable to you.