Thanks for your help.
Girl. Hey, I just wanted to call and say thanks for your help.
Boy.  Oh, you're welcome.
Girl.  Really, you helped me a lot this weekend.Thanks a lot for your help.
Boy.  It was my pleasure!\
Girl.  But I want you to know that it means a lot to me.
It was not easy to help me study for that test.
Boy.  Yes, it was.
Girl.  Oh. Really? Well, thanks for all your help.
Boy.  No problem.