answer: #Person2# serves #Person1# to book 4 seats for the Merchant of Venice. #Person1# book 4 upstairs seats on Saturday for $10
documents: #Person1#: I'd like to book seats for the Merchant of Venice, please.
  #Person2#: Yes, of course, sir.
  #Person1#: Have you got any seats downstairs, please?
  #Person2#: Yes, we have.
  #Person1#: How much are they, please?
  #Person2#: $3.75 each.
  #Person1#: Are there any seats at $2.50?
  #Person2#: Yes, there are, but upstairs. For how many?
  #Person1#: For 4, please.
  #Person2#: For which night?
  #Person1#: What about Saturday, October twenty-first?
  #Person2#: I can give you 4 seats in row 8. OK?
  #Person1#: Right. How long will the performance last?
  #Person2#: Two and a half hours.
  #Person1#: Thank you. How much is that altogether?
  #Person2#: $10 please.