I have to get to cambridge from london kings cross for a family matter, can you help me book a train?
Yes, I can help. What day do you need to leave?
I would like to leave on Sunday. 
Is there a certain time you want to leave after or arrive by?
I would like to leave after 17;15 on sunday.
TR1681 leaves at 19:17 and arrives 51 minutes later. How is that?
Perfect. I'll need 2 tickets.
I will book that for you now.
Great, can you give me the reference number. Also can you give me some information on emmanuel college please?
Your reference number is : TD9C5XQU.  What else can I do for you today? 
Can you give me the phone number, entrance fee, and address of emmanuel college, please?
The phone number is 01223334200.  I can also tell you that there is no entrance fee and its located in centre on saint andrew's street.