Imposing the family protector plans on me

I went to Ackermann store in forest hill mall to pay my account. The lady that was helping me buying new phone told me about family protector plan for which I told her that I don't need it as I already have that. She insisted and told me that this doesn't mean I am taking the policy. She told me that they will call me and told me about this policy but to my surprise my statement from the past two months has included that policy. I went back and told them that they should cancel but was send from pillar to post. What make me angry is the fact that I had to go back there to try to fix the mess they created.