answer: Mary phones for Anne. #Person2# tells Mary Anne isn't available.
documents: #Person1#: Good morning.
  #Person2#: Good morning.
  #Person1#: This is Mary. Can I speak to Anne please?
  #Person2#: I'm sorry. She isn't in at the momment. She will come back at half past nine. Can I take a message for her?
  #Person1#: Thank you. But I will call her later.
  #Person2#: OK. Goodbye.
  #Person1#: Goodbye.