Jack: Hello, I want to book a train ticket to Shanghai.
For which day?
The 28th.
Ticket seller: Express train or through train?
Jack: Express.
Ticket seller: Upper or lower berth?
Jack: Lower one, please. How long does it take for the whole journey?
Ticket seller: 12 hours. You get on the train at 7 pm and arrive in Shanghai at7 a.m. next day.
Jack: ok, stay in room 506, Beijing Hotel, Can you deliver the ticket to my room?
Ticket seller: Yes, we can.