Last August I booked USAIR Seatac to Fort Lauderdale Dec 27 for $560CDN return. In October I canceled due to family situation. I was told that they would keep the 560 as credit and could rebook for 150. In January I found a seat sales for $288US and called USAIR to book the flights. They said I cannot use those seat sale prices and must let them book my flight to claim the credit. The next day they confirmed my flight at $580. CDN. They said that all credit in the account must be used up on rebooking. To add insult, they said I must also pay... read full review »