A:I'm very grateful for what you have done to my son,doctor.
B:That's all tight,Mr.Smith.That's my job.I'm very glad he recovered so soon.
A:I know he has brought great trouble to you.A million thanks.
B:No trouble at all .He's very cute and brave. By the way,do remember to keep him away from sea food for at least two weeks.
A:I will. It's most thoughtful of you.