Um- I think since you already said it, I'd give him his 4, but this would be the last year for it. AndI would use NO. And then...
I'd say - I've decided to use all of my tickets next year, so this is the last year I will be giving them away.
Not that you actually have plans for them -but he is being completely presumptious as if he is somehow entitled to *your* tickets. No way. Free ride OVER.