U: I would like a train that leaves from stansted airport after 16:15

S: What day will you be traveling, and where will you be heading to?

U: I will be traveling on monday and need to go to cambridge

S: There's a train leaving stansted airport for cambridge every hour on Monday, by what time would you like to arrive?

U: I don't care. Give me the earliest one leaving after 16:15.

S: The earliest train is TR5365 that leaves the airport at 16:24 and arrive in Cambridge at 16:52. Do you need a ticket?

U: Yes please thank you. Can you also assist to find me a restaurant where i can dine in the Center. My preference is Modern European food.

S: How many tickets do you need me to book for the train?

U: I actually don't need a ticket right now.  Could you please tell me the price and travel time though?

S: Absolutely. The TR5365 costs 10.10 pounds and has a travel time of 28 minutes. What else can I do for you?

U: I also need a place to eat.

S: What are would you like to eat?

U: I would like modern european food and in should be located in the centre of town.

S: There are 8 results for European restaurants in the centre area, would you prefer an expensive, moderate or cheap price range?

U: I'd like a cheap one, I don't want to spend too much on food, I want to bring back as many knick-knacks as possible.

S: The river bar steakhouse and grill meets all your needs. Do you want me to book? If yes, for how many, what day and what time?

U: Is the waitstaff known for providing great service?
S: Most of the past guests felt they received great service, calling it prompt and great. But there was one comment that it was substandard.