First of all, you should have a smile on your face when you greet people for the first time. It plays a vital role as your guests think that you are pleased to meet them.
A smile can also make your visitors feel happy and if any one of them is having a bad day, your smile can help him to get rid of bad feelings.
Always start your conversation by saying by saying hello, how are you etc. It is a formal and pleasant way to initiate conversation.
Confidence is another important element that will help you in greeting people for the first time. Introduce yourself to the guests in a confident and pleasant manner.
The way you introduce yourself will also create a strong impact on your guests in your first meeting. Make sure you give importance to all of them and you should avoid focusing on any specific person.
If you are meeting to new people on a particular occasion then talk about that event which will help you to continue the conversation along.
Do not talk about personal things which will create a negative impact. Always remain stick to the point if it is a professional meeting.
Do not try to become over smart as it will earn you nothing but a negative response. Be careful in the selection of words while greeting new people which will help you to get a positive and desired response.
Try make things special while meeting new people because there will be many ones who will remain in touch with you in future.
Always make your guests feel that they are very important for you. Do not let your attention divert while they are talking to you.