useless bunch

I have fibre installed about 3-4 weeks. Worked fine so far. Yesterday, my internet slowed down, only to find out that they havent cancelled the adsl and now i cant get anyone to to help. After calling the customer service, i went personally to the customer service shop, the same thing there as well. They have no internet, its down. The people just cant seem to understand about cancelling the adsl to fibre. This is frustrating. There is absolutely no help at all. ****** useless people.