Domains: restaurant, train

user: I'm looking for a train. I want it to go to Stevenage and leave from Cambridge.

assistant: There are many trains available. What day and time do you want to travel?

user: It should leave after 18:30 on Saturday.

assistant: I have a train leaving at 19:21, is that okay?

user: How long is the trip and when will I arrive? Also need to know the price.

assistant: The trip lasts 49 minutes and is 12.8 GBP.

user: Okay, thank you for that information. I also need to find a cheap restaurant.

assistant: We have many available. Do you have a certain type of food you would like?

user: Anything cheap in the centre of town please.

assistant: There are several places what type of food would you like?