No response or action for 6 weeks

They ran a special in November and I signed up hoping to get connected within 2/3 weeks as advertised on the site. Except for a general welcome email I haven’t received any feedback on installation dates yet and it’s been nearly 6 weeks. They say in the email they will keep you updated but they don’t. I have to phone because the online chat doesn’t work and my emails are ignored. To make things worse - every time I phone they can’t find any records of my application or of me as a customer. Then I get transferred to 3 different people before someone finds some note with my name on it. I wonder what they will do if it comes to paying and I ignore them and pretends that I don’t know who they are???? Then they will cut me off of course. We as consumers should be able to withhold payment if we get treated like this. I need to be contacted and I need a date for my fibre to be installed.