A：It's very thoughtful of you to invite me to your wedding.
承蒙邀请参加你的婚礼。
B：How can I forget my old friend?
我怎么会把老朋友忘掉呢?
A：My best wishes to you and the bride!
祝福你和新娘幸福!
B：Thank you very much.
十分感谢。