U: I want to try some local restaurants. What are your recommendations?

S: What type of food are you interested in?

U: I actually need a train frist. It needs to arrive by 13:00 and depart from cambridge and arrive at london kings cross Wednesday.

S: I will have to tranfer you to the person that does trains since I do restaurants. Let me know if you want to discuss food still.

U: I will also need the departure time and travel time.

S: train TR3844 departs at 11:21 and the travel time is 49 minutes. would you like me to book you a ticket?

U: No thanks, but I would like to see if there are any Persian restaurants in the south area of town.

S: No. Would you like me to try another type of food.

U: Do you have anything expensive?

S: there are five expensive restaurant in the south.

U: I need one close to centre of town

S: I have so many options including Africa, British and Asian. Do you have a preference?

U: Yes, I would prefer the British.

S: I recommend the fitzbillies restaurant. it's on 51 Trumpington Street City Centre. Would you like me to book a table?

U: Sure, but are they well known at Fitzbillies for their strawberries and cream?
S: I'm not sure they're known for it, but diners do say the strawberries and cream are fantastic. Can I help with anything else?