Domains: Travel_13, Calendar_13, RideSharing_23

user: show some attractions

system: where to look

user: find them in london

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

user: 13th of this month

system: march 13th at 9 am to 10 pm

user: sounds very good

system: wanna add an event?

user: no skip it

system: regular or pool?

user: regular for 2

system: confirm 30 st mary axe (the gherkin) 2 seata regular

user: yes that works

system: 4 minutes $25.96

user: thanks a lot

system: have a nice day