Having problem while getting LOR

I changed my grade after 10 then move into new school everything was till 11th grade then something traumatic happened due to that I had graduated from 12th grade lately then I start working I went back to my school after one year everything changed now principal has been all teachers had been changed, only the accountant was the know person out there I show him the template of LOR and explained I need to get this in order to proceed my application process. after i have been to school again the accountant said give us the content what you want us to write and we will make it for you and sign and I don't how to write, can anyone please help me out.