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.