Query: user: I want to go for a short trip for which I need a Train. Can you search for the suitable one?
assistant: Yes, Where do you want to find the train?
user: Search the one from Fresno.
assistant: When and Where do you want to go?
user: Find a train to go to San Fran on the 9th and I need conditionally refundable tickets.

Intent: Trains:FindTrains