answer: #Person1# tells #Person2# to connect the operator to make an international call to Paris.
documents: #Person1#: Room service. What can I do for you?
  #Person2#: I would like to have an international call to Paris. Can you tell how to do it?
  #Person1#: Yes. In that case, you should connect the operator and he will connect you with the one you want.
  #Person2#: Well, what is the operator's number?
  #Person1#: 543210.
  #Person2#: Fine. Thank you.