Query: user: I need a one way flight.
assistant: Can you give me your departure city and date?
user: Find me flights from NYC to Washington for March 6th.
assistant: How about American Airlines? They have a flight that departs at 6:05 am and has 0 stops. The ticket is $80.
user: How about a bus? I need 4 tickets for next Friday.
assistant: I found 8 buses. One departs at 6 am and has 0 transfers. The ticket costs $33.
user: What is my arrival station?
assistant: You will arrive at Union Station.
user: What is my departure station?

Intent: Buses:FindBus