Wife had a recent 'incident' on United. Flying business class to Paris for work and she has Senator status with Lufthansa (believe it's their second highest travel tier). Anyway, United is part of the 'Star Alliance' group of airlines who share benefits. She's pretty particular about seats and made sure to book a 'solo' window seat - think she was in Row 2. She boards almost right away and when she gets there someone is in her seat. He produces a ticket with the same seat number she has. She gets the flight attendant and they start to sort it out. Turns out my wife's name is on the airplane manifest for the seat, but the guy refuses to move. They discuss and discuss (all the while wife is missing the champagne/hot towel preflight service - or so she told me....
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and the attendant says he will relocate my wife to another business class seat or he will call the airline to have a supervisor discuss with the guy in her seat. She ultimately moves and they give her a $100.00 voucher. I told her I would have let the supervisors come aboard to move the guy.....