I need a train arriving in Cambridge by 20:45.
There are many trains arriving at Cambridge by 20:45. Where would you be departing from, and on which day?
I will be departing from stansted airport on wednesday.
What time would you like to depart from Stansted airport?
The departing time is flexible, I just need to get to cambridge by 20:45 please and may I have the price as well?
I have a train arriving in in Cambridge at 5:52pm on that day. The price is 10.10 pounds. Will this work for you?
Yes. I am also looking for a place to stay.
Your train reference number is 4FQ0OYNJ. As for lodging, what type of establishment, price range, or area can I look for?
I would like a three star hotel that is expensive.
There are 2 hotels matching that criteria: Gonville Hotel and The Lensfield Hotel. 
OK, I need rooms for 7 people for 4 nights, starting on Wednesday. Can you tell me which of the two hotels are available then?
The Gonville Hotel is available, and your reference number is 7JS42213.
Oh! Great. Thank you, that's all I need today.
I'm glad I could be of help, enjoy your stay!