answer: #Person2# enjoys the meal and #Person1# tells him the service charge is 15%.
documents: #Person1#: How did you like the dishes, Sir?
  #Person2#: Delicious. Everything was excellent here. Thank you!
  #Person1#: Do you want some coffee, tea, sir?
  #Person2#: No. thanks, I'm fine. Ah, just have the bill, please. How much is your service charge?
  #Person1#: Fifteen percent and it's included in your bill. Thank you very much, sir. We look forward to seeing you again.
  #Person2#: Sure, good night.