紧急求助书面表达

假如这是你的身份证，请根据此信息写一段自我介绍。（不少于4句话）

First name:David

Last name:Black

Telephone number:478-3248

My firt name is David. My last name is Black. My telephone number is 478-3248. Call me if you need help

Hello, my name is David Black. You can call me David. My telephone number is 478-3248. You can call me anytime.