I'm are looking for a train. The train should leave on friday and should go to norwich
There are many trains available.  Where will you be departing from? 
I will  be leaving from Cambridge. 
At what time would you like to leave or arrive?
I need to arrive by 11:15.
Booking was successful, the total fee is 17.6 GBP payable at the station .
Reference number is : XABOWRR6.
Ok, thank you. Can you also give me the travel time?
You are looking at a 79 minute journey, any further questions today?
What is the train ID for the one you booked?
The train ID is TR8056. Can I help with anything else? 
No, that's all I need. Thank you.
Okay, you're welcome! I hope you enjoy your trip!