You recently attended a course that was not as beneficial as you expected. Write a letter to the course organizer. Explain what you expected from the course. Describe what you found disappointing. Suggest how the course could be improved for future participants.

Dear Sir, I trust this message finds you well. I am writing to formally express my dissatisfaction concerning a course. As a cook, I was look for courses and seminors to brush my knowledge in the area of cooking, therefore I enrolled in your course. I anticipated this will cover the advanced techniques like gastronomy. […]