"The beginning of this trip was absolutely awful. After not receiving a check-in for my American Airlines flight, I called Expedia and was told our flight was confirmed to leave on July 17 at 6:00 a.m. and that I would need to check in at the airline desk. That should have been a red flag. When we arrived at the airport, the airline informed us that we did not actually have an outbound flight — only a return flight on July 21. The trip had been booked as round trip with airfare and hotel, and I...