Sibongile from Vodacom was very unprofessional

I sent a complain about poor service that I received at Vodacom, on the Sim swap of my number that was requested with somebody else. On the 15th I got a call from Tania who advised me to do an Affidavidt accompanied by my ID copy and emailed to ***** department. I requested that she must send an email with regards to what she has asked me to do as proof. She advised me that once they get the necessary documents they will be able to attend to my case. Surprisingly an Agent from ***** department by the name Sibongile sent me an unprofessional email on the 21st November that says, 'No sim swap was don on my number' and wrote my cell number. I am was so furious responding back on the email that she must do a proper investigation and listen to the recordings from the 3rd November, when Owen changed the number back to me. On the 5th November I spoke to Ntombi who made me a fool by advising me to go to Vodacom shop for assistance. I spoke to Lerato again who advised me that she escalating my query to ***** department. It seems as if Sibongile was not willing to assist me on my case and I find her being ***********, unprofessional, and blank in displaying elements of good customer service when she was dealing with my case. I even mentioned on the email that I am not insane to comeup with such a case and even taking my time to do an Affidavidt at the police station. My sister is my witness cause she is the one who assisted me by calling Vodacom on the 3rd November to get back my number. I want Vodacom to attend to my case and listen to the recordings. The airtime advance that was done I have no knowledge of it. Reference: A2-TJOQ-BCMUF, that is the reference number of my case at Vodacom.