Horrific service from Sales Support

I recently changed address and live in a new property, i first tried for over a week to call them with no luck, I managed to get hold of them a week later, they sent me the change of address form which i sent through to them, they informed me that someone will come within 3 to 5 working days and assist with the installation of my fibre so that it starts working in my new place, it is day 9 and nobody has contacted oh come to me and they do not respond to my emails.