Can I please get information for a train going from cambridge to broxbourne?
What day will you be traveling?
I want to travel on Friday, please.
What time would you like to leave?
Can you give me the train ID and price of the first train that departs after 19:45?
Yes, it will cost 17.90 pounds and the ID is TR3342. Anything else?
no, that's it for today
If you need reservations or information in the future, we will be happy to assist you. 
Thank you for your assistance. Goodbye.
My pleasure.  Have a great day.