For places that require a phone call I came up with a trick to cancel via email. If they reply back via email and say I have to call them, I tell them I'm deaf and can't talk on the phone. Works every time.
I actually have a speech impairment (a stutter) and you’d think people would be willing to accommodate. I can speak just fine when I have complete agency over the words I choose to say, but it’s the absolute worst when I have to read out some long specific access code or account number and say it 100% correct. Stutter even once and they think I meant 2 P’s when I just wanted to say a single P. And then it becomes thi…
The symptoms you describe are what someone I know experiences. In the same situation of making a phone call, he give the handset to his wife. What's pathetic is that the operator insists on talking to him "in person" even if he sits next to her. Some of these trained operators apply their company rules to the letter so much that it feels almost barbaric.