Apple launched iPhone 4S with personal assistant called Siri , And it was loved all over the world . If you dont have a 4S still you can get Siri on ios device if you have jailbreaked , download spire from cydia
Anyways You can still get a siri conversation if you don't own a ios a device, & it's very easy folow these simple steps
Steps to create a siri conversation
Go to : http://ifakesiri.com/
& enter your text and click on create a siri conversation
Have a look at my one which i created
Do comment :) !