I am looking for a train leaving Cambridge.  I need to arrive by 18:45.
Okay and what is your destination and what day would you like to travel?
I want to go from Bishops Stortford to Cambridge on Sunday.
The TR5298 train arrives at 18:07. Would you like me to book it?
book for 5people and get me the reference number
You are all set the reference number is FH7BXL3F, the 5 tickets will come to 40.4 GBP.
Are there any attractions when we get there?
There are many fine attractions in Cambridge. If you don't care about the area, I recommend the Botanic Gardens in the center of town.
What about some kind of boating attraction?
There are 4 I recommend scudamores punting co it's located in the centre of town. Would that interest you?
Sure can you give me the postcode?
Sure, it's cb21rs.  
Thanks, that is all for now. Goodbye.
I'm glad I could help.  Enjoy your visit.