[speaker001:] Hello, I 'd like a return to Xi 'an please.
[speaker002:] Certainly. When do you want to travel?
[speaker001:] Tomorrow.
[speaker002:] Ok, no problem. What class of service would you like soft sleeper or hard sleeper?
[speaker001:] How much is the soft sleeper?
[speaker002:] The soft sleeper costs 600RMB one way and the hard sleeper is 400RMB one way.
[speaker001:] Ok, I 'll take a return ticket on the soft sleeper please.