A:Amanda,I'm so sorry about what happened. I sincerely apologize from the bottom of my heart.
B:That's Okay. It wasn't your fault.
2.I'd like to take this opportunity to 我想借这个机会
A: I'd like to take this opportunity to thank you for everything you did for us.
B: It's my pleasure. I enjoyed working with you guys.
3.I am sorry 对不起
A: I'm sorry to be late.
B: Be careful next time.
4.I apologize 我道歉
A: I apologize. This should not have to be this way.
B: Apology accepted. Try to do better next time..
5.I feel terribly sorry. 我觉得很抱歉。
A: I feel terribly sorry. We caused a lot of trouble for you.
B: I never thought your hotel is like this. We will never come back again.