Burn after reading

Dear sir

I am absolutely incensed by the suggestion that I have no option with regard to giving up a day of my weekend to spend in the company of work. I have recently agreed to make time commitments beyond my contracted weekly remit for the ensuing months with no cast iron guarantee of monetary reward and do not appreciate being pressured further to relinquish my highly valued free time for nothing. I am outraged and disgusted. Your tone is disrespectful and insulting. I will not be attending and do not expect to hear anything further about this matter.