greetings is way to us meet the other people
HERE WE GO...........

This is the way to greet other people :
-Good Morning/Afternoon/Evening
-Hello
-How are you?
-How’s everything with you?
-How’s life ?
-How are you getting along ?
-How are you doing ?
-Fine, thanks
-Pretty good, thanks
-I’m well, thanks
-Not bad, thanks. And you?

Then, when you meet another persons that you don't know who is he/she, you must introduce yourself first, don't ya'?
This is how to introduce yourself :
-Let me introduce my self, my name is .....
-Hello, I'm .....
-Hi, I’m ...... You can call me ....
-Hello, my name is .......

Have you ever introduce your friend to another persons that don't know about your friend's ? Well.. This is how to introduce people :
-I would like to introduce .......
-I would like you to meet .....
-Excuse me, let me introduce you a new friend. His name is ......

When you get tire or bore with your conversation, i will tell you how to end or close your conversation :
-Well, I should be going now. See you!
-I’m sorry, but I have to go now. It’s been nice talking with you. See you later
-Well, I must be off now. I’ll talk to you later!

It's all done. Owh,,, thank you...