Bad Service/ No one is will to assist

My name is veliwe Lupuzi and my father Dumisani lupuzi took out a contact for me. debit orders have been going of from his account then we decided to call and change debit order details to my account, consultant took our new details however on that debit order date no debit order went off, called on the same day was told that the was an system error however the following month it will go of and i should go make a cash payment, second month came still no debit order in the account given even on the old account, called again with my father same story 'we apologise , problem will be fixed. still today nothing has been done i keep on calling with my father whom i dont live with , i make means to go to his place as his the account holder but nothing i keep on calling and no one comes back to me with any feedback, the account is in errease right now and still o debit order went off, once again will make cash payment to activate my phone again then next month same problem again. whenever we call some agents put us on hold for more that 30 mins, some just release the call. what is going on why cant my debit order details be amended, why cant this be fixed all details given are correct but no one is assist . can we just cancel the contact take back your phone will open a new contact with other cell phone company because vodacom seems not to care about their customers at all.am so disappoint in the hole situation and how no one is willing to assist me