Hello, we're planning on staying in Cambridge and would like to know if you have a train that departs around 12:00 from Cambridge proper.
Yes, can you tell me where you would like to travel to and what time?
I'll be going to London Kings Cross on Friday.  I need to arrive by 12:00
The TR1502 puts you in London Kings Cross at 11:51, will that work for you?
Yes, please book that for 5 people.
I was able to book you 5 tickets for that train. Your reference number is XNQN9BN0. Is there anything more I can assist you with? 
Yes, I'd like to find someplace to stay with free wifi in the centre of town, please.
alexander bed and breakfast is a cheap location. Shall I book? 
I am actually looking for something in the more expensive range and it should also include free parking.
There are two locations in the expensive range, Gonville hotel is a 3 star hotel and University Arms Hotel which is a 4 star hotel, which location would you prefer?
Put me in the University Arms, same group of people for 3 nights starting Tuesday.
I have booked that for you. Your reference number is 3JP83PAX.
that is great. thank you. that is all for now.
You're welcome. Have a nice day too
You have been most helpful. Are there any colleges in the area with free admission. Or other attractions available close by?
Yes, there are several colleges in the city centre.
thanks once again 
Have a great day, thanks