``Dear (Teacher's Name), I am writing to request an extension on the (assignment name) that is due on (original due date). I have been out of school this week due to illness, and I need a few additional days to complete the assignment to the best of my ability. I am happy to provide a doctor's note if needed.
Over the past few months, I have fallen into a financial rut due to unexpected expenditures. Despite my situation, I am committed to fulfilling my obligations and I am proactively seeking ways to improve my financial condition. Hence, I am kindly asking for your understanding and support in this matter.