よ!
It depends on who you are introducing yourself to.
For example, just as in Japanese, you would most likely want to be polite with older people and say things like:
Hi, my name is Akira. It is a pleasure to meet you.
If you are meeting younger people, you can still be polite but keep it cool at the same time:
Hey, what's up. I'm Akira. The pleasure is mine.