A: How long will this express take to go to Shanghai?
B: About 18 hours.
A: How many stations will it stop at?
B: This express will go straight from Beijing to Shanghai without a stop.
A: Oh. Is there a train that leaves in the afternoon?
B: Yes, ma am Do you need a ticket?
A: I d like to have two soft berth tickets to Shanghai for tomorrow .
B: OK. It comes to 1200 yuan including service fee.
A: May I have two lower berths?
B: Sorry. We usually pair the upper and lower together to sell. You may ask the conductor to change it for you.
A: I see. Thanks a lot.
B: Have a nice trip.