How to greet people...?

I think,every day we greet every people around us. But sometimes, we don't know how 2 greet people politely..

So..let's learn how 2 greet people in right way...

1. To introduce ourself.

    - I just wanted to introduce myself, my name....

    - I don't believe we've met before, I....
    - I don't think we've actually met formally yet,I....

2. to introduce someone else.

   - I'd like to introduce you to… 

   - There's someone I'd like you to meet, this is… 
   - Have you met…?

3. To expressing pleasure to have met someone.

   - Pleased to meet you. 

   - Nice to meet you. 
   - Very nice to meet you.
   - It's a pleasure to meet you.

4. Returning the compliment.

  - Likewise.

  - and you?

5. Say goodbye.

  - see you later.

  - see you soon.

  -

6. Health. 

 - how are you?

 - fine, thank you / thanks.

 - are you all right?

 - i'm tired.

 - i'm exhausted.

 - i'm got a cold.