First of all, before the approach, it is better to catch the girl's mood. Maybe she's in a bad mood and she does not want to get acquainted now.
It is necessary to pay attention to external signs. The approach to the girl who is in hurry will be not so successful. Do not stop the hurrying girl, it will be more effective to approach a strolling girl and get acquainted with her. It would be better to establish a visual contact with the girl, and then get acquainted.
