B:Not at all.It's the least we could do. B:Give my best regards to your parents. B:You are welcome.I hope you can come again to Shanghai. B:Good bye,Mr.Blake.I wish you a very pleasant journey home.6 B: Not at all. It's the least we could do. B: Give my best regards to your parents. B: You are welcome. I hope you can come again to Shanghai. B: Good bye, Mr. Blake. I wish you a very pleasant journey home