Dear Boss:

I wanted to thank you very much for your offer of the position___________. I am very happy to have this chace to work for (name of the organization). I beleive my join of the team will bring contributions to both my career development as well as the development of (name of the company).

I am writing to ask for your support for the change of my nonimmigrant status from my current ____ status to the H1B status. With this H1B status, I will be able to work for (name of the company) a longer period than other nonimmigrant status. I would like to schedule a meeting with you to talk details about the procedure of change to this nonimmigrabnt statu.

Thank you again for the offer and your continued support regarding my career development at (name of the company).

Sincerely,

Yours

英语不好，快哭了