I'm looking for a train that goes to Cambridge on Saturday Would you like to leave or arrive by a certain time? I would like to leave after 21:30. Where will you be departing from? I will be departing from broxbourne. We have 3 options that meet your criteria. All depart within an hour of each other starting at 21:32. Would you like me to book one of them for you? Yes, whichever train has seats available for 7 people. Your booking was successful, the total fee is 100.24 GBP payable at the station. The train departs at 21:32. Your reference# is UZFW2TAQ . Is there anything else?