The more you establish eye contact with your target, the better. First you should perform a few quick glances, ensuring that the target has noticed them. Then you can step it up a notch and establish direct eye contact. A good trick is to quickly look away once the target glances back at you, as this provides a sense of embarrassment on your part, which may very likely intrigue your target into approaching you. Don't forget to smile during these glances. Conversely, if you are not interested, then simply avoid eye contact with the target, as this will reveal a definite lack of interest.
