Hello, I need to book a train for Thursday leaving to Peterborough. No problem, can you please let me know where you want to depart from? I would like to leave Cambridge after 09:15. TR7317 leaves at 10:06 on Thursday, would you like to reserve a seat? Yes just one seat, and I'll need the reference number. Booking was successful, the total fee is 16.5 GBP payable at the station. Reference number is : SALFLI4E .