Dear Sir/Madam,

I humbly wish to apply for the post of an Office Assistant in your reputable organization. 
I am a vibrant young lady who is ready and willing to work and learn , willing to contribute my qautar to achieving the desired company's set goals.
I am ready and available to join the team if given the opportunity. 
Looking forward to your positive response. 

Yours Sincerely 
Nwokocha Happiness