B:How many beds are there in the compartment of soft berth?
A:Generally there are four beds in a compartment, but in special cases, there are two.
B:I want to reserve two soft berths on train No.12.I would like two lower berths.
A:I will try my best to get them. Please come and get the tickets at five in the afternoon. Here are your train tickets for the two bed compartment. The berths are No.11 and 12, the upper and lower berths in compartment No.6.