shocking service

i am mweb customer. in the beginning of the month i phoned them and told them that i want to move to mweb fibre.today i phone to call centre to follow up when the installation will be done in my house.i left few massage to call me back. it is didn't happen,i spoke to JAWWAARD from call centre he was rude and cheeky he also didn't want to flow up for me and he didn't want to give me contact details for sub contract people as well.i send 3 email to complaints mweb and they didn't replay to me.how can mweb have such a bad custmer service....???