I would like to book a train. I need to go to peterborough on thursday. What station will you be departing from? I'll be leaving from Cambridge, thanks. I have a train leaving Cabridge for Peterborough Thursday at 05:06. Great! Please make a booking for 3 people. I've booked 3 tickets for you, and the fee is 49.5 gbp and your reference number is 17OSNISB .