BAD SERVICE AFTER FLIGHT WAS GROUNDED. REFUND

I need to lay a complain I was suppose to fly on the 17 march 2022 and come back the 21 march 2022 Then the flights has been grounded and I needed to book a new flight I requested a refund in march and phoned last week to hear what is the problem Been calling since last week and all I hear is the will email and hear where my refund was refunded to but no one is coming Back to me and I need an answer now as I am fed up to wait for my money. I need to call everyday and all i get we need to wait. UNEXEPTABLE