I'm looking for a train out of cambridge on Saturday.
No problem! Where do you plan to go on Saturday?
I want to go to Kings Lynn.
Alright, when do you want to leave and arrive?
Arrival time is not important, but the train should leave after 14:30. 
Booking was successful, the total fee is 7.84 GBP payable at the station. Reference number is : QA65LM7A. Is there anything else I can help with?
No, thank you. Sounds good 
Have a wonderful day.