answer: John introduces himself to Miss Green.
documents: #Person1#: Excuse me, are you Miss Green?
  #Person2#: Yes. May I help you?
  #Person1#: May I introduce myself?
  #Person2#: Yes.
  #Person1#: I'm a new student in the school. My name's John.
  #Person2#: Nice to meet you, John.
  #Person1#: It's a pleasure to meet you, Miss Green.