covering letter correction

Hi, could you please help me and correct my covering letter? I would apprieciate any suggestions:) thank you:)

Dear Sir or Madam,



I am writing to apply for the position of Office Clerk.

I have a wide range of office experience gained working as administrator for many companies. I have mature, responsible attitude, high level of numeracy and a good attention to detail. I am a very well organised individual who is self reliant, efficient and capable of working under pressure within a strict time frame.



I have enclosed my CV for your review. Thank you for considering my application. I look forward to hearing from you soon, and am available for an interview at whatever time is suitable for



Yours faithfully,