Useless call center

I am trying to get hold of the call center for the past 2 weeks to cancel my contract! I went to a store which i have submitted the cancellation on the 30 January 2021 which i have received an sms to say they have received it. Today the 1st February 2021 i have received an sms to say that my request has been cancelled!!!!!!!!!!!!!!!! WHY!!!!!!!!!!!!!!!!!! I need someone to call me ASPA i need to cancel my contract and move my number over to prepaid as i don't want a contract anymore. And PLEASE DO NOT EVEN THINK ON CANCELLING MY NUMBER!!!!!!!!!!!!!! I WILL BE ****ED AS I HAVE THIS NUMBER FOR MANY YEARS!!!!!!!!!!!!!!!!!!!! this is my case number ***0 and ***5 contact me today still anytime after 5pm

Oh, please can you fix the call center so that i can speak to a person and not some damn robot!!!!!!!!!!!!!!!! sending me sms telling me to go to what's app it doesn't help me in any kind of way!!!!!!!!!!!!!!!!!!!