write a letter

Dear Madam,
I was introduced about your academy. I’m excited about learning English and after a while researching about your courses, I find them pretty nice. So I would like to know more about them.
I’m quite proud of my writing and reading skills, but honestly, I can’t speak really fluently. But I want to communicate better with my foreign friends, therefore, I extremely need to improve it. However, I only have a few hours free per week, so I want to know if you have any courses for the busy person. Moreover, can you supply me some information about the timetable so that I can be flexible in arranging time to study. And tell me to send you my school report or my latest English test if it’s necessary.
I’m looking forward to receiving your respondence.
Yours sincerely,