Dear Sir or Madam,

With reference to your advertisement in Metro magazine, I am writing to express my interest in the position of summer staff at Big Mike's Burgers.
Currently, I am in themy 1first year of high school. I found your advertisement very interesting because I am looking for a summer job.
I have enclosed my CV for your information. As you will see, my experience includes working for Subway in the last year.
I would be a suitable candidate because I am punctual, positive, and full of energy. I have provided my contact details on my CV and can be available for an interview at any time.

I look forward to hearing from you.

Yours faithfully,
Xyz