I'm looking for a train please.
There are several trains where are you going?
I want to go to Peterborough.
I can certainly help. Where are you departing from?
I am departing from Cambridge.
Do you have a day in mind to travel?
ill travel; on wednesday. get me the train ID and price
What time would you like to depart?
I would like to leave Cambridge after 09:45, please.
I have a train leaving cambridge at 10:06. The ID is TR9805 and it's 16.50 pounds per ticket. 
thanks for helping
You're welcome. Anything else I can help you with today?
No, I only needed the train info. Thanks, again. Goodbye.
We hope you have a nice time in town. Good bye!