dialogue: #Person1#: Excuse me. I'm a stranger here and lost my way. 
  #Person2#: Can I help you? 
  #Person1#: Sure. Can I get to the central department stall this way? 
  #Person2#: uh... Yes. Turn right, then take the second turning on your left. 
  #Person1#: Is it far? 
  #Person2#: It's about fifteen minutes' walk. That's all. 
  #Person1#: And do you know where the national bank is? 
  #Person2#: Yes. It's on this street. Keep walking for two blocks and it's on the corner on the right. 
  #Person1#: Thanks very much. 
  #Person2#: You are welcome. Good luck. 
  #Person1#: Thank you. I won't miss it. 
summary: #Person1# lost the way and asks #Person2# for the way to the central department stall and the national bank.
topic: ask for directions