Poor service and no response

I bought R50 airtime on the 28th at 19:40 and I immidiately converted R35 into 2.5Gb, however it never worked, I Called in on the 7th March I spoke to Mbali and she promised to call me back however she did not, I sent Telkom an email and they have not responded, I called in on the 11th March and spoke to Tebogo who asked me to send proof via email, she said I will get a refrence number on the 13th March 2023 to prove that my query was escalated however I got nothing up to now without any response from Mbali, Telkom and Tebogo, I sent Tebogo an email on the 15th March and I demanded to recieve feed back by 12pm and she never responded again