Task-oriented dialogue about: train

Hi, I'm looking for some train information. Could you tell me what trains leave on Wednesday for Norwich?
There are 19 entries found. Where would you be coming from?
I'll be departing from Cambridge and I need to arrive by 12:00.
There is a train that arrives at 11:55. The trainID is TR9635. Would you like me to book that?
Sure, that sounds great.
How many seats would you like?
just one.
You have been booked!
thanks!
Can I assist you with anything else today?
No, thank you very much!
You are welcome! Have a safe trip!