Domains: restaurant, train

user: What does Cambridge offer so far as expensive, German restaurants?

assistant: There's no restaurants meeting your criteria. Would you like to change anything parameters?

user: Oh really? I was hoping to eat expensive German cuisine in the northern part of town.

assistant: Would you like to search for something else?

user: Is there any asian oriental restaurants in the north area?

assistant: Yes, there is one called Saigon City. Would you like more information?

user: I would like you to book it. 2 people 18:00 on Sunday.

assistant: Okay, you're all set! I have it booked for Sunday, 18:00, and for 2 people. Your reference number is LR4G3953 . Is there anything else I can help with?

user: That is all I needed. Thank you!

assistant: You are welcome. Are you certain I can't help with a hotel or a train for you?

user: Yes, actually, I'm looking for a train. I'll need to depart from Cambridge after 20:00.

assistant: We have lots of those! Where are you traveling to?

user: I am going to Ely on Sunday.

assistant: What day will you be taking the train?

user: i want to travel on sunday. i need to leave cambridge at 20:00.

assistant: TR0537 leaves at 21:50 and arrives in 17 minutes. Do you want tickets for that?

user: I'm terrible at math. What time does that arrive?

assistant: The arrival time is 22:07.

user: Thank you for all your help. Have a great day.

assistant: Thank you for calling and have a great trip to Cambridge. Goodbye.