Task-oriented dialogue about: train

am looking for a train it should leave on saturday and should go to cambridge
Ok, what is your departure site?
I would like to leave from kings lynn and get to Cambridge by 9:00 pm.
Please confirm you are leaving from kings lynn and want to arrive at 21:00.
yes, that is correct.
Booking was successful, the total fee is 18.88 GBP payable at the station . Reference number is : DDYPIE2S .
Thank you for all of your help! Have a great day!
Thank you for using our services. Do you need any further assistance?
No I don't need anything
You are very welcome. Please let me know if you need anything in the future.