U: I need a train ticket to Cambridge, sometime after 15:45 if you can find one.

S: There are over 600 trains to Cambridge that leave after 15:45. Can you tell me the day you're traveling and your departure station?

U: departure is sunday from ely.

S: I found four trains, one leaves at 17:35, 19:35, 21:35 or 23:35. Which would you like to book?

U: I'll book the one that leaves at 17:35. What time does the train arrive?

S: It arrives at 17:52. Shall I go ahead and book it for you?

U: No. I'm looking for a a gastropub restaurant in the centre.

S: There are 3 gastropubs in the centre.  2 are expensive the other is moderate. Do you have a preference in the price range?

U: Yes, I need one in the cheap price range please.

S: There are no gastropubs in the centre part of town in the cheap price range. Would you like something else?

U: Ok, how about one serving italian food?

S: Pizza hut city centre, ask, and zizzi cambridge all are italian restaurants in the centre part of town in the cheap price range. Would you like me to book one?

U: How is the atmosphere at those locations?
S: The atmosphere at the Ask Restaurant is seen as being beautiful and guests have enjoyed dining at Zizi Cambridge as well.