I need a train to stansted airport from cambridge please.
Ok, what day will you be traveling?
Thursday. I need to arrive by 12:45.
The closest to thing I can find is a train leaving at 5:40 on Thursday. It arrives at Stansted Airport at 6:08. Is this okay?
Yes, that works.  Can I get the train id number and the price please?
the train Number is TR7966, it will cost you 10.10 pounds.
I need to find me a room as well. 
What part of town would you prefer?  And, do you need internet?
Looking for something in the North, cheap price range please. Don't care much about internet.
There are two guesthouses that meet your criteria. The City Centre North B and B, and the Worth House. Would you like me to book one of those for you?
Sure, Saturday for 5 nights and 7 people.
I have booked the Worth House for you. The reference number is G7TDBIJU. Is there anything else I can help you with?
Does the Worth House have a star rating of 4?
Yes, the Worth House has a 4 star rating. Is there anything else I can help you with?
Can you book the worth house for 5 nights starting saturday for 7 people.
Your booking was successful. Your reference number is G7TDBIJU.
Thank you that will be all I need.
Okay, have a nice day! Bye!