********** Avon account

I've recently attended a job interview and while the company was doing credit checks,they come across an Avon account that was opened by someone using my personal details.the account is owing 1000 .I've never opened an Avon account.ive never placed any Avon orders or received and orders from Avon..this is affecting my job application and I want my name to be cleared asap.the lady from Avon who called me said she will send me a letter that will state that the account was ***** and I'm still waiting.i sent all the required documents but no response