Hello, can you tell me about some colleges in town?
There are 18 colleges to choose from. Is there a specific area you are interested in? 
I'm looking for college attractions in the cambridge area
Pembroke college is available would you like to visit that?
Yes please. What area is that in?
It is located in the centre. Would you like more information?
Yes, I would like to book a train for cambridge on tuesday
There are many options to choose from.  Can you give me the departure city and departure/arrival times?
I'll be departing from london liverpool street, and I'd like to arrive by 18:45.
I can get you a train that arrives at 17:07. Would you like to book that?
Yes for five people please. 
Your booking is all set! Your reference number is 5WATWCJJ. Is there anything else I can help you with?
No, I believe that's everything for now. Thank you for all of your help.
You're welcome! Have a great day!