answer: #Person2# called #Person1# because #Person1#'s son was acting up in class. #Person1# calls back and #Person2# asks #Person1# to talk to #Person1#'s son.
documents: #Person1#: Hello, I'm returning your phone call.
  #Person2#: I'm glad that you could get back to me so fast.
  #Person1#: No problem, but what were you calling about?
  #Person2#: I needed to talk to you about your son.
  #Person1#: Is he messing up in school?
  #Person2#: He was acting up in class one day last week.
  #Person1#: What was he doing?
  #Person2#: He wouldn't stop talking throughout the class.
  #Person1#: I don't know what's gotten into him.
  #Person2#: If you could, would you please talk to him?
  #Person1#: I will get right on that, and I am very sorry.
  #Person2#: I really appreciate your help.