Look at him...

...for a few seconds with seductive eyes. When he looks at you, you can look downward or sideward while smiling. Then look at him again and repeat the process. This female body language signal is one of the most effective ways to seduce a man. It will give him the impression that you're very much into him. 

And the truth is...

...pick a sensual perfume that will arouse his senses. If you can, ask suggestions from a male friend, as he knows what type of smell will attract someone like him. You may also want to try herbal aphrodisiacs like jasmine, rose and ylang ylang.