answer: After #Person1# shows his account number and passport, #Person2# helps #Person1# exchange 5000 Singapore dollars into US dollars.
documents: #Person1#: Good morning, miss.
  #Person2#: Good morning, sir.
  #Person1#: Could you tell me please where can I find a currents exchange?
  #Person2#: Right here, how can i help you today, sir?
  #Person1#: I'd like to exchange 5000 Singapore dollars into the US dollars please.
  #Person2#: Do you have an account this bank, sir?
  #Person1#: Yes, here is my account number.
  #Person2#: May i please see ID?
  #Person1#: Sure, here is my passport, by the way what is the rate today?
  #Person2#: Today's rate is 2. 57 Singapore dollars for 1 US dollar, here is your money, sir. Please count it and sign your name here.
  #Person1#: Yes, it is the credit demand. Where can I cash travellers'cheques?
  #Person2#: You can cash them here, how much do you want to cash?
  #Person1#: 900 dollars.
  #Person2#: How would you like it?
  #Person1#: I need 8 hundreds and the rest in 10s please?
  #Person2#: Ok, here you are.
  #Person1#: Thank you, have a nice day.
  #Person2#: Thank you, have a good day.