Flirt, and give them hints that you might like to do something more than talk. This will give them a chance to consider the possibility that you might be interested in kissing them, and to think about whether or not they’d like to kiss you. This might be a good time to break the touch barrier, and put a hand on their arm or shoulder to indicate physical interest. Consider asking them to dance if you are somewhere that dancing is appropriate, but make sure not to do anything that could be construed as overtly sexual - coming on too strong will scare most people away. Pay attention to how they respond to this touch: if they pull away, or act uncomfortable, chances are they aren’t interested. Try to stick to something that isn’t sexual in nature, and won't come off as creepy, or overly personal. Make sure to take the situation into account, and consider the gender (or gender identification) of the person you’re trying to compliment. While you won't know much about this person yet, compliments that aren't physical are usually more effective, so make use of anything that you've gleaned about them. This below list comprises suggestions, but not all will be applicable to everyone, so you should use discretion and your awareness of their body language to filter the suggestions.  I’d like to get to know you better. I know we've just met, but you seem really talented / smart / caring / kind / funny. You’re really interesting. I think it's really interesting that _________, (Insert something you actually find interesting about them!) You’re beautiful / gorgeous / good looking / strong. You make me feel (really) excited / nervous / happy. I love your eyes. (You can also say something like mouth, or face, but try not to get any more personal than that.) It's really cool that you_____________. Can you tell me more about_____________.  This can be especially effective if you make them feel special for the knowledge they have by adding something like, "I've never met anyone who____________." Men and women tend to use...

How would you rephrase that briefly using Indonesian?
Mulailah dengan perlahan-lahan. Pujilah ia. Perhatikan bahasa tubuhnya. Jangan membuat asumsi. Pikirkan dahulu sebelum bertindak. Perlakukan ciuman ini seperti ciuman pertama yang lain.