I dont think it is so easy at your age even if you go for a training. You worked in Sales for long and without a proper academic qualification and experience nobody will take you to the post of an Accountant. You want to be an Accountant is your wish and it could have been possible 15 years back and not now. There are plenty of Commerce Graduates, Post Graduates and even CA certificate holders available for that. It might be possible in a small organization who will not pay more than Qr. 3000 per month if you can do the job.