Query: user: Hey, get me a bus will ya?
assistant: When are you going?
user: on March 11th.
assistant: Where are you coming from?
user: I'm leaving Sacramento.
assistant: Where are you headed?
user: 3 tickets for Vegas please, give me cheap economy please.
assistant: There are 10 choices. What about the 7:30 am trip? It's $66 for the economy ticket.
user: What about another? I'm leaving from Long Beach and want Economy Extra.

Intent: Buses:FindBus