Hello , I ’ d like a return to Xi ’ an please .
neutral
user
Certainly . When do you want to travel ?
neutral
assistant
Tomorrow .
neutral
user
Ok , no problem . What class of service would you like - soft sleeper or hard sleeper ?
neutral
assistant
How much is the soft sleeper ?
neutral
user
The soft sleeper costs 600RMB one way and the hard sleeper is 400RMB one way .
neutral
assistant