英语翻译I am sorry sir,smoking is prohibited is this area.Oh!I d

英语翻译
I am sorry sir,smoking is prohibited is this area.
Oh!I didn't know that.
We have a sign here,it says:'no smoking please.'
I see,I am sorry,I didn't see that.
It's O.K.just extinguish your cigarette please.
Sure,sorry about that.
Thank you for your cooperation.