This task will hardly take 2-5 minutes.
You need to create a facebook plugin for PHP site through which users can post a comment.
Very easy task, just a copy-paste of the FB code.
Dear client,
I have data entry experiences and long time. so i wish you choose me and sign to contract.
I wait for you at BDT:+6(9.00am) tomorrow.
Please come and contact me
Yours
Mizan