I booked a non-stop flight to London, UK for my wife, daughter, son and I online on 1/9 for a flight in April and my mother, who lives in the United Kingdom, paid for it (she has a United Kingdom credit card that she used). The amount that was stated on the website and on the receipt I received (including taxes and paper ticket processing fee for my son's ticket)was $3251.85, but when American Express (my Mom's credit card)authorized the amount, they said it was $4987!! This was charged directly by the airline (Delta)and when my... read full review »