I am looking for a train to Cambridge. When will you be travelling? I'll be leaving Friday after 20:45. I have several options for you depending on your departure site. Where will you be leaving from? I need to depart from Cabridge and go to Bishops Stortford. There are few options to choose from. How many people are traveling? I will have 2 people traveling. Okay, would you like me to book TR4664? Yes, please. I need the reference number. The reference number is 0JI02QOT . Can I help you with anything else?