No, this is a really bad idea. You accomplish nothing by talking to people who will not be there when your flight is actually due to depart. You can have a supervisor now tell you yes, then a different supervisor tell you no when you're actually supposed to fly.
Print this entire page on the German Embassy's website, highlight the paragraph about people traveling with Refugee Travel Document.
https://www.germany.info/us-en/service/05-VisaEinreise/faq-visa/899734
Find appropriate USCIS websites that explain how a refugee cannot travel using their passport, and save them to your phone's browser so you can show it to the supervisor on duty. If you have an attorney, ask them if you can phone them to talk to the agents. This is all you can do. At the end of the day, it's completely up to the airline whether they want to let you on the plane or not. Yes, it sucks. Yes, they're stupidly ignorant of the different travel documents people use travel abroad. It is what it is.