Body language is open in a social gathering. Don't cross your arms or feet. Keep an open posture and while talking, make use of gestures with your hands. Good use of gestures with hands will make you attractive. Don’t keep your hands crossed or in the pocket or ruffle your hair. These are signs of nervousness. Watch some good speakers on television, and you will get ideas about the use of hand. Walk confidently, with firm steps and don't slouch your body. Present yourself as a confident person.
Be natural be natural and present yourself as you really are. Acting like someone else does not help. It hurts. You are good as you are and a unique person. Feel proud of your qualities and show high self-esteem.
Introduction and talk introduce you naturally. The best opening is always - Hello, I am so and so. May I know about you? Give attention to what the other person is saying and don't interrupt in between. Don't act like a know all, and never argue about anything.
These are few tips about how you can present yourself positively in any social situation. Use them to get a good dating partner.