たとえば To whom it may concern, I'm writing to confirm my reservation of flight AB8552 of 7 December 2014. Due to the malfunction of your website, a fare of three seats has charged on my credit card since presumably three seats may have been reserved. I request you to cancel two of them and refund them. In addition, I want to know my reservation number necessary for check-in. Thank you in advance. Sincerely yours, XXXXX XXXXX XXXXXXX@XXXXXXX.jp
ありがとうございます。 考えて頂いた文章で問い合わせをしてみました。 あと自分から公表しておいてあれなのですが、名前とアドレスの部分を消して頂けませんか、なんかまずそうなのでお願いします。