Hello!  I need helping finding a train departing from cambridge.  Can you help me with this?
I sure can. Can you tell me what day you want to travel and where you are headed? 
Yes, I need to get to Ely on Sunday for a 15:15 appointment.
I have a Tr5412 departing at 13:50 and arriving at 14:07. Would you like me to book it for you? 
Yes book it and I need a reference number please
How many tickets would you like?
Book for one person only
I have you booked on the TR5412 departing Cambridge for Ely on Sunday at 13:50. Your reference is RYXMCEFX. Can I help you more today?
I also need to find an attraction in the east area.
There are 10 attractions in the area of east. cambridge artworks is a museum and the entrance fee is free.
Thank you for all your help. Good bye!
You are welcome.  Have a great day.  Bye.