How to improve English for newbies

Hello Friends, How to introduce yourself to others well ? In case you are new to an organisation or office , how will you introduce yourself impressively ? Well , maybe you could say "Hello my name is Mr. Mac Donald ." If you are new in your office , you could say , " Good day ,I'm Mr.Mac Donald ,the new manager" .So you could say anything to start with. Well if you go to your client company , you'll say "I'm Mr.Mac Donald from XYZ company.".If you are new to the neighbourhood say "Hello I'm Mac .I'm new in the neighbourhood"So ,how you introduce yourself can help mask lasting impressions or help you in the market .It helps you project your personality.That's all for now see you .Bye .Take care.