I want to book a train. I would like to depart from cambridge and arrive by 16:45 What is your destination? The train should depart from cambridge and should arrive by 16:45. Going to Ely What day will you be travelling? I would like to go on Saturday. How about TR8860? Sure, I would like to book that train for 4 passengers. Booking was successful, the total fee is 14.08 GBP payable at the station. Reference number is : VX48ZGH0.