Over a week... Two emails, no response

I sold my car last month and left the country. I since realised that my Regent small scratch and dent policy had not been cancelled. It's been 8 days (Dec 12) since I initially emailed Regent [Email Removed] and a further 3 days (Dec 17) since I sent a follow up email [Email Removed] AND [Email Removed] trying to find out what's happening with the cancellation of my policy. I DID inform them that my SA number is NOT in use and I cannot be reached on it, and I supp**** my UK number in case they need to get hold of me and gave the alternate option to email me too. I want the policy cancelled! I've never claimed anything back from them (always an excuse as to why they can't cover small scratches and dents), and they've already squeezed me for 5 years odd of monthly installments. Now it seems as though the customer service response is also pitiful for simple requests. Certainly not making you guys look good! Cancel the policy now, please!!!!!