flex php mysql time based live help chat application

I need a time based live help application developed with flex, php and mysql. futures that I require is; one-to-one live chat Visitor and Operator network check if connection up Visitor does not need to download anything or install any plug-ins. Visitor can request the chat transcript to be emailed to them. Operator can accepted or declined the requests Audible alerts when visitors want to chat. Store chat transcripts in database for future reference. Visitor and operator 'typing' status. Social media profiles : Display social profile links within the visitor chat window. Chat request routing Chat session rating Countdown Timer Callbacks please bid if you can begin immediately.