Domains: restaurant, train

user: I am looking for information in Cambridge. looking for a restaurant.

assistant: Sure, what kind of restaurant?

user: It doesn't matter but it should be expensive and it should be in the centre.

assistant: Do you have any cuisine preferences?

user: Yes, we would like American type food.

assistant: We actually have different categories of american food -- latin american, modern american, north american, and "the americas." Which of these would you prefer?

user: How about latin america?

assistant: I'm sorry. I have no results that meet your criteria. Would you like to try a different food type, price range, or area?

user: How about North American cuisine instead?

assistant: Gourmet Burger Kitchen is expensive and in the center. Would you like to book a table?

user: Yes please, for Thursday, 7 people at 16:45. I also need a reference number.

assistant: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 2FX5XCUM . is there anything else i could help you with?

user: I also need a train. Going to Ely Friday.

assistant: Okay and what time would you like to arrive?

user: I'd like to depart Cambridge after 21:30.

assistant: The train TR9842 is leaving Cambridge on Friday at 21:50. The cost is only 4.40 pounds and the travel time is 17 minutes. Would you like me to book?

user: Yes please book that for me.

assistant: Booking was successful, the total fee is 4.4 GBP payable at the station .Reference number is : ZC86HRQ4 . is there anthing else i can do?

user: That is all I will need. Thank you.

assistant: excellent, have a great day!