Query: user: I need a train going to LA.
assistant: On what date?
user: on the 8th of this month.
assistant: Where will you be leaving from?
user: From Sacramento city.
assistant: There is one departing at 6:30 am costing $90.
user: I like the sound of that.
assistant: Will I book you some tickets?
user: Yes that would be good.

Intent: Trains:GetTrainTickets