TERRIBLE CUSTOMER SERVICE

I called i to ask why my contract is still active when I cancelled it on the 18th of January. The call centre agent was so rude and didn't listen to my query. Instead he said I must go back to the store to cancel my contract when I cancelled it weeks ago. He provided no solution to the problem, but was rude and cheeky. <br> <br> I have never experienced such terrible customer service before. <br> It was embarrassing. Please sort this out, it should not be my problem to go into the store again when I cancelled my contract weeks ago.