Task-oriented dialogue about: train

Yes, I'm going to need a train on Sunday.
There are 404 trains departing on Sunday. Can you give me a departure point and a destination point, please?
i want to go from norwich to cambridge
Is there a certain time you would like to leave Norwich by?
I would like to arrive in Cambridge by 14:15.
I have eight trains arriving by then, how many passengers?
I need a booking for two passengers.
Booked, Your reference number is 845YKY14 . You pay 28.16 at the station. You will leave at 12:16 and arrive at 13:35. Trainid: TR5225.
Great. thank you that is all I needed.
Glad I could be of assistance. enjoy your journey. Do not hesitate to call if you need us again.