U: I am looking for a train going to Cambridge after 12:15

S: Where will you be departing from and what time do you want to arrive in Cambridge?

U: I will be leaving on Sunday from london liverpool street. I just need to leave after 12:15.

S: The train closest to the time when you can depart leaves London Liverpool Street on Sunday that 13:39.  Would you like to book it?

U: What is the price?  I'd like to book.

S: It is 13.28 per seat. How many tickets did you need?

U: Just 1 ticket please, and I am also looking for a cheap restaurant located in the west, can you help me find one?

S: I have successfully booked you a train on train #TR6578. Would you like a reference number?

U: No, I need a cheap restaurant located in the west that serves Vietnamese food.

S: The thanh binh restaurant is in the west and serves vietnamese food. They are in the cheap price range. Would you like to make a reservation?

U: Is the atmosphere nice?
S: Thanh Binh isn't known for having a remarkable atmosphere, although some guests found it peaceful and enjoyed it. Do you have any other questions that I can answer for you today?