I am sorry, that has interfered... At me a similar situation. Let's discuss. Write here or in PM. or
I think, that you are not right. I suggest it to discuss. Write to me in PM, we will talk. or
I can consult you on this question. Together we can come to a right answer. or
Something so does not leave or
You were mistaken, it is obvious. or
I can not participate now in discussion - it is very occupied. I will return - I will necessarily express the opinion on this question. or
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I can speak much on this theme. or
It absolutely agree with the previous message or
You obviously were mistaken or