My formulaic sentence for this: > I understand you want x, but at the moment I need to y, so I'm going to continue doing y. Is that OK? I don't like using for

My formulaic sentence for this: > I understand you want x, but at the moment I need to y, so I'm going to continue doing y. Is that OK? I don't like using formulas for tricky conversations, but there are times when you just need to cut the conversation without expending any mental energy on it.