Fidelity security poor service

I made a payment of 1250. On 22 April for installation of the alarm system the sales person gave the banking details he told me I need to my name as reference. The same statement came my money didn't reflect I called the call centre on 09 may spoke to a lady namely ayandA k she asked my proof of payment which I did send she will Scalate the matter send me feedback ,the two week went without no help I call again I was told the very same thing this week got my statement the payment has not reflect I have never seen such bad service people who don't know what their doing they don't value customers at all they must just give me my money back their a **** my contact number ***