dialogue: #Person1#: I want to know how to buy something from this machine. 
  #Person2#: Yeah, the new ones can be tricky. What are you trying to buy? 
  #Person1#: I want to buy one of those snack things. 
  #Person2#: Are you ready to go? 
  #Person1#: I'm clear so far. 
  #Person2#: The money goes in the slot over there. It has to be smooth to go in. 
  #Person1#: It won't go in! 
  #Person2#: Just remember that you might have to feed the money in a couple of times to get it to work. 
  #Person1#: Yes, next step. 
  #Person2#: Make your selection and hope for the best. Vending machines aren't all that reliable. 
  #Person1#: They're totally unreliable. 
  #Person2#: You seem to have it down. Have a good day! 
summary: #Person2# shows #Person1# how to use the vending machine.
topic: make a purchase