My best friend was getting married in Vegas so we had to book the trip.  Heard a lot about Travelocity so we decided to use them.  MISTAKE.  Not only were our flights cancelled on us, the customer service was the WORST I have ever experienced.  I realize that the flight being cancelled was the fault of the airline, but trying to rebook and coordinate through Travelocity so four of us had the same flights was a nightmare.  Countless hours on the phone, numerous problems with language barriers, never a supervisor to be had - even when we called during the day as advised.   While some reps...