I am writing to express my keen interest on the position of an office assistant, having worked as a laboratory assistant in the course of my Industrial training, I am enthusiastic about exploring opportunities in this role.
  I have the basic computer skills and I am very fluent in speaking and writing , I am quick to understand and follow instructions closely and I am eager to utilize my skills in this noble cause and to show competence in this important work.

I am enthusiastic about the prospect of utilizing my skills and experience in this role, and I am eager to convey my commitment to your hiring team at a mutually convenient time. Thank you for considering my application, and I am eagerly anticipating your response.