Domains: Travel_15, Hotels_15, Flights_35

user: I want to find some attractions to see

system: WHich city are you searching in

user: In london, England

system: 30 st mary axe (the gherkin) is a great historical landmark

user: Is the entry here free?

system: Yes it is

user: Is it child friendly? Give me its phone numer

system: Its a child friendly place. Its number is 20 7071 5029

user: Suggest me some more places

system: How about alexandra palace, a performing arts venue

user: Cool, help me find a hotel there as well

system: I have 10 places for you. How about the 5 star 45 park lane?

user: Cool, I also need to find for round trip flights there from atlanta. Three seats with 0 check in bags

system: What date are you planning to travel?

user: On 2nd of march

system: What about the return flight?

user: On 10th of this month, economy tickets

system: How about the american airlines flight that takes off at 6:30 pm at $571. Its return flight is at 2 am

user: Which is the airport it flies from?

system: It is hartsfield-Jackson international airport

user: Thanks, that would be all

system: Have a great trip!