Domains: train

user: I need a train leaving on Friday.

assistant: Where are you departing from and what is your destination?

user: The train should depart from cambridge and should go to ely.

assistant: Is there a particular time you'd like to leave?

user: I would like to leave on Friday and should arrive by 08:15.

assistant: Booking was successful, the total fee is 4.4 GBP payable at the station . Reference number is : 57E550PF .