Good day sir/ma
My name is Obomanu Joy, I'm applying to fill in for the vacancy of the "Office Assistant"   in your company/management, I'm very much interested and I met your requirements.
I understand how important this position is to you and the management and so if given the chance, I'm promising to give in my best in order to achieve it's goals. I will be honored if you would grant me the opportunity to work with you. Thank you as I await your positive response.

Below is an attachment of my CV.