B: I'm glad you like it.

A: Thank you for taking the time to come and advise me on the problem.

B: I'm happy to to have done it.

A: Another drink?

B: Yeah. Thanks.

A: Thank you for your trouble.

B: That's all right.

A: I'd appreciate that very much.

B: Please think nothing of it.

A: I don't know what I would have done without the suitcase you lent me.

B:  Glad to have been of some help to you.

A: Feel free to give me a call, if you have a question.

B: I appreciate it very much.

A: I appreciate your helping me.

B: Forget it.