I made a payment for WiFi and sent proof of payment and used my WiFi number as ref as per their instruction but they can’t locate it and they even disconnected my WiFi and they telling me that they did not receive the payment

I made a payment for WiFi and sent proof of payment and used my WiFi number as ref as per their instruction but they can’t locate it and they even disconnected my WiFi and they telling me that they did not receive the payment. I’m tired of them and I even wanted to cancel but they still deducting