Somebody Put Michelle On The Horn!!!
Reddit - It sounds like the original issue was that the company missed an appointment. Somehow the issue escalated to where a Michelle (probably a supervisor in a department who could do more to help) was made aware of the situation. She called him and left a voicemail and then probably went home. When the customer called back and tried to reach her or her department, because they had gone home, he kept being rerouted to the customer service/technical support department. After over 3 hours of it, he had had enough. This is his epic meltdown.