U: I want to book a train to stevenage, and I want to leave around 14:00.

S: I have several train going to stevenage.  Where are you departing from and what time would you like to arrive by?

U: I am departing from Cambridge on Saturday.  I would like to arrive in Stevenage by 14:00.

S: There are 4 trains that fit your schedule. The closest in time is the TR8377 which arrives in Stevenage at 12:10. Would you like to book a ticket?

U: What is the ticket price?

S: It will be 10.24 pounds.

U: Can you tell me the travel time as well please? Also, I'm looking for an expensive restaurant in the centre for lunch.

S: The travel time for TR8377 is 49 minutes.  Can you tell me what kind of food you prefer so I can narrow down the restaurant choices?

U: I would like a Chinese food restaurant.

S: I have four options. Hk fusion is an excellent choice.

U: How big are the portions of food? I was hoping for a place with good portion size.
S: The reviews on the food portions are all over the place. The comments run from "incredibly small" to "just right" to quite large. One complaint was about a dish that should feed 4-6 people but was only enough to feed two people at best. Would you like me to find another restaurant with better portion reviews?