The most terrible airline I ever experienced. The airline is a bank robbery level scammer. They never care about the customers, they just care their own. I paid 115 pounds for the baggage check-in from London to San Francisco. But the flight had the layover at Lisbon for a few days. From Lisbon, the self check-in system insisted me to pay 105 euro more for the bag. So I complained the situation at a staff near the kiosk, then he guided me to a long line, which was not the right line. After a long line wait, the staff at the counter rudely yelled at me to go to a different line. Another long line, after another long wait, the other staff with the same rude manner sent me to their office. Luckily, there was no line at the office, but it was too late, the counter was about to close, so there was no time to argue, the office staff hurried me to go back to the counter and just pay 105 euro and check the bag and argue later. Realizing that I was about to miss the flight, I ran crazily to the counter, I managed to pay 105 euro and check the bag in. I had to sprint to the gate because there left only 20 min to pass the security and passport control. With sweat, I managed to broad as the last one in the line. I was at the brink of missing the flight. Horrible experience. So after landing at SFO, I filed a complaint about the double charging of the baggage. But they simply denied the refund request without any proper explanation about the discrepancy between their price and my payment.…