Bad service

Hi all I upgraded my vodacom contract on the 29 January 2025 and the new plan was supposed to start on 01 February 2025 and the plan is not with I wanted. I've tried to call vodacom they couldn't help me due to the department assisted did not pick up the calls and also we tried to call them while I'm with one of vodacom consultants still they was no answer and the consultants advised me to stay on the line but still they was no answer or feedback .