dialogue: #Person1#: Hello, I bought the pendant in your shop, just before. 
  #Person2#: Yes. Thank you very much. 
  #Person1#: Now I come back to the hotel and try to show it to my friend, the pendant is broken, I'm afraid. 
  #Person2#: Oh, is it? 
  #Person1#: Would you change it to a new one? 
  #Person2#: Yes, certainly. You have the receipt? 
  #Person1#: Yes, I do. 
  #Person2#: Then would you kindly come to our shop with the receipt by 10 o'clock? We will replace it. 
  #Person1#: Thank you so much. 
summary: #Person1# wants a product changed from #Person2#, and #Person2# agrees.
topic: post-sales service