Formal Complaint Regarding Misrepresentation and Unprofessional Conduct

I'm writing to formally express my deep dissatisfaction with a recent experience involving two of your representatives, one who misinformed me about contract terms, and another whose conduct was entirely unacceptable.
On August 22 at 9:36 PM ET, I spoke with a supervisor named Peter (employee ID# 591744) regarding a prior issue: I had been misled by a representative on 5/11 who assured me, verbatim, “You only need to pay the $40 for this month, and after that, you can get a better deal at a lower price.” That statement was pivotal in my decision to sign a new contract. Unfortunately, it has become clear that this information was inaccurate. I was led to believe I could maintain the same services at a reduced rate after the initial payment, which has not been the case. As a result, I’ve been dealing with ongoing billing issues stemming directly from that misrepresentation.
Rather than helping resolve the matter, Peter responded with hostility. He took my complaint personally, dismissed the evidence I presented, including a transcript confirming the misinformation, and at times even laughed at me. His lack of empathy and professionalism was striking, especially for someone in a supervisory role. I want to be clear: I’m not asking for disciplinary action, but I do strongly believe Peter should not be in a position to interact with customers, especially my friends or family, if this is how he handles legitimate concerns.
This experience has left me with no choice but to part ways with Xfinity. Being misinformed is one thing, it can be corrected. But being treated with disrespect and condescension when trying to resolve that issue is far worse. I trusted your team, and that trust has been broken.
I hope this complaint is taken seriously and that steps are taken to ensure no other customer is subjected to similar treatment.