Hello:
Let me introduce myself, I am one of the many persons named Isaac David around the world, probably just as you.
Basically I'm writing this to ask you kindly for a favour: I would like to use isaacdavid as user name on wikipedia, since I'm trying a new strategy for promoting myself on the internet.
So, either if you think you are not using that account at all, or that I could give it a better chance; I would be very thankful if you could transfer it to me.
Regards and best wishes.