Domains: train, hotel

user: I need to take a train from Cambridge to London Kings Cross, it would need to be after 10.

assistant: Okay. What day will you be traveling?

user: On Friday after 10.

assistant: The TR1502 leaves friday at 11:00.

user: Yes, that will be great. How much does a ticket cost?

assistant: A ticket is 23.60 pounds.

user: Can you also give me the travel time?

assistant: The travel time is 51 minutes.

user: Thanks! Can you also see if there are any expensive, 4-star guesthouses in the north area of town?

assistant: What you are looking for can not be found. Is there any other area you would mind searching in?

user: No I want to stay in that area. What other hotel accomadations are in the area?

assistant: Avalon is a moderate priced 4 star guesthouse in the north part of town. It has free internent. Would you like more information or can I book it for you?

user: Can you book it for 4 people and 4 nights starting from Monday?

assistant: Booking was successful.Reference number is : 1VF2W9YC .

user: Thank you! That is all.

assistant: You're welcome. Call back if you need further bookings or assistance.