The classic version existed in many versions from 2004 until 2011.
One place you can find it is at http://www.funny-games.biz/dating-simulator.html This looks to be version 5. (warning NSFW site)
Here is a mirror based in Russia: http://www.doodoo.ru/flash/ariane/dateariane/default.htm
Here’s another: http://www.jo-jo.net/ariane/start This looks like version 4.
You will then be able to run it offline though you may need to follow instructions here