Incorrectly debited. No refund no reply

In February i recieved a message saying that the first debit would be going off. I contacted betterlife and said they must not debit as the bond has not been registered yet. However the debit went off on the 1st March. I requested a refund immediately and was told 13 days.beginning of April i called about the debit and was told they made a mistake and it will be paid. i called again three Days ago. Again same mistake. I requested that a manager phone me. Or i will cancel my contract. Till today im still waiting