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.
What is the departure time of that also please?
TR7966 departs at 5:40.  
Great.  Now I need a place to stay.
There are 33 different lodging options in town. Do you have a preference for type, area, pricerange, or star rating?
It should be a 4 star hotel.
What area and price range are you looking for?
Type doesn't matter. I want it to be cheap and in the north. With a 4 star rating.
The worth house is located in the north and cheap, would you like a reservation?
Is it rated 4 stars?
Yes it is a four star. It also has free internet and free parking. When were you planning your stay?
book it for 7 people and 5 nights starting from saturday
Your booking was successful. Reference number is : M0ZETXSZ. Is there anything else I can help you with?
No thank you. I am all set.
That's great. Have a safe trip. goodbye.