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: Yes, I'd like to make a reservation that evening at 8:00 p.m.

S: Great! How many people will you need to book the reservation for at Thanh Binh?

U: I would like you to book it for 1 person. Thank you.

S: I am having a problem booking your reservation.  There phone number is 01223362456.  If you call back in awhile, we can try booking the reservation again.

U: Could you find another cheap Vietnamese restaurant on the west side of town?

S: I'm sorry thanh binh	 is the only restaurant serving vietnamese food in the west in the cheap price range. Would you like to try a different time?

U: Then I'm looking for any place that has good reviews for the food being reasonably priced.
S: Thanh Binh has consistently great reviews for their affordable prices. Do you want me to see if I can find a time that works?