Diet Max Charged my account during the trial period for the the full amount of the product and will not reimburse me any of my money totaling $177.89. Internet

I ordered the product and before my free trial period was up, they charged my account $87.47.  I had until the 22nd of August to cancel.  They walked me through the cancellation process and assured me a credit would be on my credit card for the $87.47.  I have the e-mail showing that I cancelled my account.  Received another charge on Sep 10th in the amount of $87.47.  Called again.  She assured that I would receive the full refund and she cancelled my account.  Just called today after a $2.95 was charged to my account.  Talked to a manager who will not refund any of my money and said that today, 9/13/2010, is still active and has never been cancelled.