no customer rights

We bought a water dispenser fridge.my two kids tested it on sales agent shireen miggels shouted from her chair very angry and rude to get away their. My husband asked her politely not to speak to them like that.is was when she kept on arguing with my husband when I got angry.we argued.my husband left the store before sighn ING the contract.the sales agent tried to explain the payments to me but she kept interrupting.i had to call th manager but she wouldn't listen the area manager now blames me for getting angry and frustrated over this.sp he expects me to keep my mouth when treated like that.whst Iis their policy with regard to their customers?