I'd like a train leaving after 11:30 from Cambridge, please.
Of course. What day would you like to leave and what is your final destination?
I am traveling on Tuesday and going to Ely.
The TR7458 departs at 11:50, would that suit you?
Yes that sounds good can you get me 5 tickets please?
Thank you good bye
Can you get me the reference number please? 
Yes, the reference number is 8MJZIG5A.
Thanks!  I'm also looking for a hotel named the Huntingdon Marriott Hotel.
The Huntingdon Marriott is an expensive, 4-star hotel in the west part of town. It's very nice. Would you like a room there?
Yes, 5 people for 5 nights starting Thursday.  Please book it for me.  
Okay, I have those rooms booked for you. Your reference number is 1CPJSXZJ. Can I help you with anything else?
That is all for now.  Thanks
you are welcome, don't hesitate to contact me if you need anything else.