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?