Capital One Credit Card Complaint

Capital One Credit card department,

Credit card protection / Debt protection Arizona

I have disputed a transaction for $1600.00 with Capital One Credit Cards, since the company - Billed my card without my authority for $ --At no stage has capital one provided with the payment slip with my signature authorsing this charge, there is no follow up from the Capital One Dispute team and no one in capital one is taking ownership of this problem. This charge is clearly unauthorised and should be refunded back to me by Capital One.