Unprofessional with online delivery

I did online order and it was supposed to be delivered on the 6 January but until today nothing. I have been sending email but no response, I phoned them several times today early Brandon promised that items will be delivered today but nothing has happened. I I phoned again the matter will go for investigation because the delivery was done according to them. I don't understand why would I waste my energy, dat, airtime for something I would have received??? Woolworths is becoming a nightmare I promise