Dear Teacher Jay
My name is Pichamon Witoonpun, a student numbers 12570373 section 6. I am very sorry to inform you that I was absent on Tuesday31th and Wednesday 1th April, I can’t go to your classes as usual because I had a headache, and diarrhea. And on Wednesday 8th April I had an important errand to the family, I was absent. I have prepared the letter, leave and sick leave are writing to let you know.