Domains: restaurant, train

user: I'm looking for a restaurant in the center of town that serves food from the americas.

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

user: Yes, let's look for an Italian restaurant in the same area.

assistant: I'm sorry, I'm afraid I can't find any restaurant in this area that serve that type of food. Are there any other types I can help you find?

user: Can you check again to see if there are any italian restaurants in the center of town?

assistant: There are 9 Italian restaurants which are centrally located, do you have a price range?

user: No, any of those are fine. Could I get the address for one of them?

assistant: Zizzi is located at 47-53 Regent Street. Can I help you with anything else?

user: Yes, I also need a train that will be departing from Kings Lynn on Monday.

assistant: There are 19 trains leaving kings lynn on friday. Where would you like to go?

user: I would like a train headed to cambridge that arrives by 9:30.

assistant: Yes I have a train that arrives in Cambridge by 08:58. All other trains arrive after 09:30. Would you like me to book it for you?

user: Yes. I want to book 6 people. I need the reference number as well.

assistant: Booking was successful for TR4758 , the total fee is 58.8 GBP payable at the station. Your reference number is : S080H7HT . Is there anything else I can help with?

user: This is all I need for now, thank you.

assistant: Enjoy your trip!