Domains: Travel_15, Hotels_15, Flights_35

user: I am looking for something fun to do that is child-friendly, an attraction like a playground, any recommendations?

system: Where are you looking for attractions or playgrounds?

user: I am searching for attractions in London, UK.

system: From 6 attractions I found, would you be interested in a sports venue, the Alexandra Palace Ice Rink?

user: Sounds cool, can you tell me more about the other attractions you found?

system: How about another type of sports venue, the All England Lawn Tennis & Croquet Club?

user: Great, can you also find me a hotel room near there?

system: I found a 5 star hotel near there, how about 45 Park Lane?

user: Perfect, I will also need a round trip flight going there as well?

system: From which city will you be departing from?

user: I will depart from San Francisco.

system: On which date would you like to travel, and when will you return?

user: Planning to fly out on the 2nd, and will return on March 12th.

system: How about flying on American Airlines, there is a flight taking off at 5 am, its return flight takes of at 2 am, and it costs $823 per passenger?

user: Sounds all right, thanks, that is all I needed.

system: No problem, have a good day.