I'm looking for a train that arrives by 15:15 on saturday.
Where would you like to depart from and where do you want to arrive at?
I need it to depart from Broxbourne and arrive in Cambridge.
The TR7846 leaves at 09:32 and arrives at 10:32.  Would that work?
Can I get one closer to my arrival time?
Train TR0279 arrives at 14:32 which is the closest one. 
That's perfect. Please book it for 4 tickets. 
I was able to book you, your reference number is CEP20AFO., total cost 57.28 payable at the station.. Any other questions?
Yes please. I've heard that Emmanuel College is an interesting place. What can you tell me about it?
It is a college in the centre of town located at saint andrew's street, poscode cb23ap and their phone number is 01223334200.
Great!  I appreciate all the info.  Goodbye!
Good night, enjoy the rest of your evening.