I want a train leaving from norwich.
When will you be traveling?
I will be traveling by train, on Friday.
Sure.  Can I just confirm that your destination is Cambridge? And, is there a particular time frame you prefer?
Yes, my destination is Cambridge. I would love to arrive by 08:30 please. 
TR3339 is your best bet. It will arrive in Cambridge at 07:35.
Okay. Could you also help me with a a place to stay. I am looking for a guesthouse with 3 stars.
Alpha Milton Guest House is a nice place,do you want more information ?>