Domains: restaurant, train

user: I need to find a restaurant that serves Weish food in the centre of town please.

assistant: I'm sorry, but there are no restaurants that match your criteria. Would you like to broaden your search?

user: Yes, are there any Weish restaurants in the cheap price range that are in north Cambridge?

assistant: I'm sorry, but there are no welsh restaurants in all of cambridge.

user: Can you change my food preference to Chinese then? I still want to be in the cheap range and center of town.

assistant: I found 3 options for you: Charlie Chan at Regent Street City Centre, Rice House at 88 Mill Road City Centre, and Golden House at 12 Lensfield Road City Centre

user: Please book a table for 4 at Charlie Chan.

assistant: I cannot book a reservation for you until I know what time and day your planning on going there.

user: I apologize. I would like a table for 4 at 16:45 on Wednesday. Please tell me my reference number, if you don't mind.

assistant: I have confirmed your reservation at Charlie Chan's on Wednesday at 16:45 for four. The reference number is YHXA6WCS . Is there anything else you need help with?

user: Yes, I'm also looking for a train to Cambridge arriving by 11:30.

assistant: There are 420 trains that meet those criteria. Where are you departing from and on what day?

user: It should be on Wednesday as well, and depart from the stansted airport

assistant: There are 6 trains that will arrive prior to 11:30. Do you prefer a particular arrival time?

user: Yes I need to arrive by 11:30 as I stated earlier.

assistant: I found one that arrives by 9:52 it is TR3828, would you like to book that?

user: Sure that sounds good, I will need 4 tickets please, and the reference number.

assistant: Booking was successful, the total fee is 40.4 GBP payable at the station. Reference number is : 67WHT21L .

user: Perfect, thank you!

assistant: You're welcome. Can I help you with anything else?

user: No, thank you. That's all I need today.

assistant: Thank you for using our service. Have a wonderful day!