Excuse me , Sir , you are not supposed to smoke here .   I beg your pardon .   Your seat is in the non-smoking section , so please refrain from smoking .   Oh , I see , since I'm a heavy smoker . May I change my seat ?   Then I'll try to find a seat in the smoking section . One moment . please.Thank you for waiting . I found a seat in the smoking section for you .   Oh , did you ? Thanks a lot . 