answer: #Person1# lost his train tickets, so he has to buy another ticket. When he is going to pay, he finds his wallet was stolen.
documents: #Person1#: oh, no, it seems that I've lost my train ticket. 
  #Person2#: are you kidding? The train leaves in an hour. Where did you put it? 
  #Person1#: it was in my pocket, but now I can't find it. 
  #Person2#: is it in the other pocket? 
  #Person1#: no, it is not here. Damn it! I'm going to have to buy another ticket. 
  #Person2#: let's go to the inquiry desk first to check whether anyone has got it and turned it in. 
  #Person1#: ok. 
  #Person3#: how may I help you, sir? 
  #Person1#: I'm wondering if anyone has turned in a train ticket. I just lost my ticket for Beijing tonight. 
  #Person3#: let me see... I'm sorry. Nothing's been turned in. Do you want to buy another one? 
  #Person1#: yes. If I don't make it to Beijing tomorrow morning, my wife would kill me. How much is it cost? 
  #Person3#: 150 yuan for hard seats. 
  #Person1#: Fine. 
  #Person3#: ... Sir? 
  #Person1#: where is my wallet? Someone has stolen my wallet!