How much is the fare ?
neutral
user
Three yuan .
neutral
assistant
Could you tell me how to use it ?
neutral
user
You put it in the slot at the turnstile and then push the turnstile to get into the platform .
neutral
assistant
Oh , I see . By the way , how can I get out of the platform after I get off the train ?
neutral
user
That's very easy . The exit is always open .
neutral
assistant
Thank you for your help .
happiness
user
My pleasure .
happiness
assistant