answer: #Person1# helps #Person2# withdraw some money, change some U.S. dollars to pounds and tells #Person2# today's exchange rate.
documents: #Person1#: May I help you?
  #Person2#: I'd like to withdraw some money.
  #Person1#: Please fill in the slip, stating the exact amount you wish to withdraw.
  #Person2#: All right. And here's my bankbook. Is that all?
  #Person1#: Your ID card, please.
  #Person2#: Oh, yes. Here it is.
  #Person1#: Do you want large ones or small ones?
  #Person2#: Four in hundred, one in ten, please.
  #Person1#: Wait a minute, please. . . Here's the cash.
  #Person2#: By the way, I'd like to change some U. S. dollars to pounds and I want to know today's exchange rate.
  #Person1#: Well, sir. According to today's exchange rate, every pound in cash is equivalent to 1. 89 U. S. dollars. How much would you like to change?
  #Person2#: I want 100 pounds. And here are 189 U. S. dollars.
  #Person1#: . . . OK. And here's your money.
  #Person2#: Thank you. And goodbye.
  #Person1#: Goodbye.