MY name is ... I am ... student ... doing a course in ...
As part of the course we have to ...
Your hospital came to mind first. I am currently living across the street from the hospital. Because of the proximity, I could be at your disposal as and when required.
I look forward to working for you.
Waiting for your soonest reply.
Do not draw out your letter and pack with unnecessary info. Be short and to the point.
- For Teachers