U: I'm looking for a train that leaves on Thursday after 21:30.

S: Where will you be traveling to?

U: I will be going to Broxbourne.

S: I have 2 trains going to broxbourne, do you have an arrival time preference?

U: i just want to leave after 21:30

S: Will an arrival time of 22:01 work for you?

U: Yes, that would be fine. I'll need the price and travel time for that, please.

S: will you be leaving cambridge?

U: Yes, I'll be leaving from cambridge. What's the train number and cost? Oh, and how long is the trip?

S: It costs 17.90 pounds.  I need to know your arrival time to determine the trainid.

U: I also would like to book a table for 3 at prezzo for 16:00 the same day I arrive or Tuesday. I need the reference number also.

S: I was able to reserve a table at Prezzo on Thursday at 16:00. The table will be reserved for 15 minutes, reference number R0Q4HL63. Can I assist with anything else?

U: is the place nicely decorated?
S: The Prezzo has mediocre decor that is described as being outdated. Do you want to change your reservation?