Hi I'm looking for a train for Tuesday. Okay what time would you like to depart from Cambridge and arrive in London Kings Cross on Tuesday? I need to depart after 19:15. Can you please provide me with a price? The next train departs at 21:00. The price is 23.60 pounds per ticket. Can I book this train for you? Yes please book this train for me, Thank you. How many tickets do you need? I am not ready to book the train yet. Thanks for the help. Can I be of further assistance to you today?