A:How do you do,Mr.Smith ? This is Lili.I'm calling to thank you for the wonderful dinner we had yesterday . I enjoyed it very much.
B:You're welcome.I'd like you to join us for dinner again sometime.
A:Thank you,Mr.Smith.I'm returning to China today.
B:Today?
A:Yes.I appreciate all help and in particular,all the time that you've spent on my account during my stay here.
B:Don't mention it.I am pleased to help you.
A:If there's anything that I can help you in the future, please let me know.
B:I'll do that.Thank you.Have a safe trip home.