Domains: Travel_15, Events_25, Hotels_25, Buses_25

user: Show attractions.

system: Where?

user: SFO.

system: I found 10. Try Alcatraz historical landmark.

user: Number? Is it free?

system: It's not free and the number is 415-561-4900.

user: Ok. Find games going on March 11th.

system: I found 6. Giants vs Cardinals is at Oracle Park.

user: Good. Now find a house for three, 4.1 stars or higher.

system: 1100 Market Street Hotel Entrance is at, 45 McAllister Street and rated 4.1.

user: Anything else?

system: 12 4th Street is rated 4.1.

user: What else? It's for 1 person, find one with laundry service.

system: I found 8 matches. 1206, 155 Steuart Street is rated 4.1.

user: Great, find a bus there.

system: Leaving March 11th?

user: March 1st.

system: Departure city?

user: Los Angeles, economy extra seats.

system: There's a 6:20 am bus for $55 in economy extra.

user: Sounds good.

system: Do you want tickets?

user: No, nothing else.

system: Have a nice day.