Query: user: find one way flights
assistant: where are you headed?
user: to seattle and leaving 9th of this month to portland, or
assistant: american airlines 4 flights 8:05 am 0 stops and $74
user: when does the onward arrive?
assistant: it comes at 9:03 am
user: is it refundable?
assistant: no it's not
user: I want delta airlines
assistant: delta airlines 1 7:55 am 0 stops $69
user: get me a bus there
assistant: leave march 9th
user: I will leave 11th of march
assistant: bus leaves 6:10 am and is $33 and 0 transfers
user: what station then?
assistant: portland bus station origin king street station
user: 4 people 10th of this month

Intent: Buses:FindBus