unhappy

A few days a go I get a SMS saying Dear Customer, your installation for order (***) is scheduled for (***7 between 07:30:00 and 16:00:00). If not convenient please log onto [URL Removed] to reschedule. Your continued support is appreciated. Regards, Telkom Business now to day is the 7th I waited whole day and no one did come then at 17:27 I get a SMS saying Dear Customer, a Telkom technician has been dispatched to install your telephone line for your order (***) today. Your continued support is appreciated. Regards, Telkom Business and still no one did come I lost business because of telkom not keeping up to they appointment Now wat do I do when am I getting my line done I am still a new cumsotmer to telkom business and this is how it is not happy need help asap