Rain 5G

I have been a loyal customer for over a year with Rain 5G. I accidentally paid my monthly subscription twice on 20 May 2023. I contacted support on 24 May and requested a refund and was told that it would take 5-7 working days to reflect in my account. It has been 10 working days and still no refund. I have been met with radio silence on all their support platforms. I am so disappointed in Rain! I have been a happy loyal customer until now