Hi, I'm looking for a train from Cambridge that arrives by 17:45.
Where will you be going?
Going to london liverpool street from cambridge. I need to arrive by 17:45.
What do and time and do want to leave?
I would like to arrive by 17:45
TR5154 LEAVES AT 05: 59 SHOULD I BOOK IT FOR YOU?
How long is the trip on the TR5154?
Each train on that route makes the run in 88 minutes.
Excellent. I need to a nightclub in the centre as well.
Sure, there's club salsa in the centre, their phone number is 07782218745 and the entrance fee is 5 pounds. 
Great. Thank you for your help! 
Is there anything else I can help you with?
That is all I need.
Great! Should you need anything else, please let us know.