There are two characteristics of self introduction in English, those are formal and informal.

1. Formal Introduction

You may tell your office location and your job after you finished introducing yourself. 

For example :      

• I come from Nakorn Pathom, Thailand.

• I work at / in the post office near here. 

• I’m a student

• I’m a doctor.

• Good morning, My mane is Sombat Phosri. 

• I come from Bangkok, Thailand.

• I work at the hospital.

You can also ask some questions about his/her job or journey in your conversations.

• Where do you come from? / Where are you from? 

• What do you do?

• What’s your job?

Example

David      : May I introduce myself? My name is David. 

William  : How do you do? My name is William.

David      : Nice to know you. Where are you from? 

William : I’m from Australia. And you?

David     : I’m from America.

Example

Susan    :  Let me introduce myself. I am Susan Steven.

    I’m a secretary.

Laura    : Glad to meet you. I’m Laura Carpenter.

   Where do you come from? 

Susan    : From New York. And you? 

Laura    : I’m from Spain.

Susan    : What do you do? 

Laura    : I’m a nurse.

2. Informal  Introduction

Example

   Liza :  Hello.  I’m  Liza from  Canada.

   Bob :  It’s a  nice party, isn’t it?

   Liza :  Lovely.  How do you do?

   Bob :   How do you do?  Glad to know you.

   Liza :  Glad to know you, too.