How to introduce yourself to a person

Formal Introductions:

Title:

Mr. - man married or single;
Mrs. - woman married;
Miss. - woman single;
Ms. - woman single or married - It's more polite if you don't know.

E.g. Good morning! I'm Mr. Sanchez.

Informal Introductions:

Use your name. E.g. Hi! My name is Linda.