They basically STOLE my ticket back from me! My husband and I were flying my folks out to Phoenix to babysit our kids for a few days. We bought them each a round trip ticket from LA to Phoenix. A day later we realized we needed them here a day earlier than planned, and of course understood there'd be a $150 change fee per ticket. So, I kept the ticket as it was and purchased a new, additional one-way ticket for just my mom so she could get here early and then my stepdad would fly out a day later on the original ticket. All was good until it was time to check them in for their return flight back to LA. My mom's original return flight wasn't coming up on the computer. I called US Airways and they said since she didn't travel on her original flight out, that she unknowingly forfeited her return flight as well. After utter shock and anger, they made me buy another last minute, full-priced ticket to get her home today. So to sum it up they received twice the money from us, and then received money from another passenger for using my mom's original seat. Does this sound unreasonable to anyone else? There's no reason they couldn't have just put her on that plane this morning without charging us yet again. I'm disgusted with this airline and will avoid them as well as American, for any future flights.