Task-oriented dialogue about: train

I am in need of a train that can arrive by 12:45 an leave on Saturday.
There are 150 trains that match your requirements. What is your destination, and from where are you traveling?
I want to get to Norwich please.
There is a train that arrives at Norwich at 10:55. Would you like to book that?
Does it depart from Cambridge?
Yes, the train goes from Cambridge to Norwich on Saturday. It departs at 9:36 and arrives at 10:55. There is also a train that arrives at 11:55 on the same route.
Let me get the train ID and price for the one arriving at 11:55.
The train ID is TR9588 and the cost is 14.08 pounds. Can I book that for you?
No, but I have all the information I need. Thanks.
You are quite welcome!