Domains: restaurant, train

user: What train should I take to get to Cambridge by 14:45?

assistant: Could you be more specific on where you are departing from and what day you want to travel?

user: Depart from london liverpool street and should leave on monday.

assistant: Any arrival time in mind?

user: Yes, 14:45. Could you give me a departure time that meets my criteria?

assistant: Yes, TR7040 leaves at 11:39 and arrives by 13:07. Would that work for you?

user: I don't know yet. Do you know how much it will cost?

assistant: Tickets are 16.60 pounds

user: Okay. I am also looking for a restaurant. Are there any restaurants in the centre that serve asian oriental food?

assistant: There are several choices. Do you have a specific price range?

user: Nah. Can you just book me a table at your favorite one? 2 people at 20:45 on Monday, please.

assistant: I was not able to book a table at 20:45. Would you like to try another time?

user: How about 19:45 and give me a reference number

assistant: One moment while I try to make the reservation for 19:45.

user: I would like the reference number if it s successful please.

assistant: The reference number is 2DNK6C4B .

user: Thank you very much for the help. Good bye!

assistant: Thank you. Goodbye.