I posted an answer to a question, and a user posted a comment that I feel is better handled in chat. In a previous question, I was prompted to move the comment to chat when it went over a certain limit. Can I move comments to chat without having hit that limit?
agf's comment is correct. Move the discussion to chat by discussing in chat, and stop commenting on the post. If the other user doesn't want to move, that's OK, you don't have to discuss it. Flag one of the comments for moderator cleanup if need be, and move on :)