Query: user: I'd like to have four tickets for a one way flight.
assistant: What city would you like to leave from, and what location do you intend to head to? What day do you wish to go?
user: I am headed to Los Angeles, and I'd like to begin my trip at next friday. Search for flights coming from Phoenix Az.
assistant: Do you wish to fly on American Airlines? The onward direct flight leaves at 2:40 pm, and the ticket price is $78.
user: Get me some other alternative.
assistant: Do you wish to fly on Delta Airlines? The onward direct flight leaves at 9:15 am, and the ticket price is $101.
user: That sounds lovely. I'd like to look for locomotives leaving there.
assistant: Would you like to begin travelling on March 8th?
user: That's fine by me.
assistant: What do you think about the locomative leaving at 7 am? The price is $322.
user: What location does this come to, and what place will it depart from?
assistant: The locomotive comes to Union Station. The locomotive comes from Phoenix Union Station.
user: That sounds fine with me.

Intent: Trains:FindTrains