No Technician, No Phone Call, Nothing Promise

Contacted support about certain TV channels very scrambled. No improvement when signals sent remotely, so then they sent a technician to check. According to Xfinity technician, our issue is with our outdoor cable box.   He said that he put in a work order (couldn't do it himself.)  We heard nothing.  I contacted Xfinity support 4 days later, and I was told someone would be there between 5:00 and 7:00 PM.  I was given no reference number.   No one showed up.  Called the next day, I and was told we would receive a call for scheduling within 24 hours.  Was given the reference number of [Edited: Personal Information].   Made sure support had 2 phone numbers and our email on file.   That was 3 days ago.  No contact has been made.  We have cameras to verify that no one has worked on the cable box.  Still not receiving channels.