Can you help me figure out how to use this vending machine ?
neutral
user
Yes , I would be happy to help . What do you want to buy ?
neutral
assistant
I want to buy that candy .
neutral
user
OK . So this machine will make change if you need it . Do you have your dollars ready ?
neutral
assistant
Yeah , so far , so good .
neutral
user
Next , you feed your dollars into the machine in the slot . Make sure they are smooth .
neutral
assistant
Yeah , I already knew that .
neutral
user
I'm sure you know that if the dollar gets stuck , you might have to re-feed it .
neutral
assistant
OK , let's move on !
neutral
user
Now you just make your selection and pray . If nothing comes out , try again or call the number on the side of the machine .
neutral
assistant
I hope it works !
neutral
user
Well , good luck !
neutral
assistant