Mariam,
The best thing to do is try and settle the case out of court. Check to see he has all the necessary qualifications to be a licensed driving instructor. If he isn't, you may be able to report him as falsly deceiving people into buying lessons he is not qualified to sell. Also most professional driving schools are paid by cheque or over the phone using a debit or credit card. If you have paid in cash, then it's your word against his and I'm afraid your chances of getting your money back are very slim. If on the other hand, you have paid by cheque then you should have proof of payment. If you do, then you can lodge a case through small claims court and this can be done online.
Small claims court will require you to pay up some money too but if you don't have any proof that money was exchanged, then you will be stuck I'm afraid.