Query: user: Can you get me some economy class buss tickets? I'm going on the 1st and want a bus which leaves at 3:45 in the afternoon.
assistant: Sure. Where are you heading to? And where are you now?
user: I'm in San Fran and I'm going to Anaheim.
assistant: Do you need just one ticket?
user: I need 2.
assistant: You want 2 economy class tickets for a bus which goes from San Francisco to Anaheim and which departs at 3:45 pm on March 1st?
user: That's right.
assistant: Sorry, there aren't any buses like that. Do you need anything else?
user: Hmm. What if I'm departing from Vegas and want just one ticket? Can you find me a bus which leaves at 6:15 in the evening?

Intent: Buses:BuyBusTicket