I need to find a Train leaving on Friday from London Liverpool Street and arriving in Cambridge.
I have 10 trains as options. Do you have a time you want to leave or arrive by? 
Yes I'd like to arrive in Cambridge by 15:15.
The TR5015 will get you there by 15:07.  Would you like me to book you some seats?
No thank you, may I please get the travel time of TR5015?
The travel time is 88 minutes. Can I help you with anything else?
Yes, what time does that train leave?
It would depart at 13:39 and arrive in Cambridge at 15:07.
Please book it for me.I also need a place to stay,a guesthouse  with free parking ?
I have booked the train for you. The reference number is JN7FFTTY. 
Thank you, I'm also looking for a place to stay.  Can you help me find someplace?
Sure. What area would you like to stay in?
I don't need any specific area, just need a guesthouse that is cheap and includes free parking.
I have 33 entries that match your request.  Do you have a star rating preference?
No I don't. Pick any of the 33 and give me the address and area, please. 
The alexander bed and breakfast is a cheap 4-star guesthouse in the center, how does that sound? 
Can you tell me what area it's in? And can you give me an address?
Alexander bed and breakfast in found in the center of the town. Their address is 56 saint barnabas road.
Perfect. Thank you. That's all the information I need for Cambridge. You have been a great help!
We hope you enjoy your stay. Goodbye.