How to write an email to a professor?

hi,
I want to write to my proffessor to ask when he is available so that I can go to see him. Is it ok to write “when can I come to the faculty to see you”?

Thanks!

hello
my name is sonia and i am from India. I want to write something because you read this and tell me where i am doing mistake.First i want to say you thanks because you are send me many English chapter and fill in the blanks. When i solved then i click the button and i saw immediately result. After this classes my confidence more then before days.Now i am waiting for your review about my English and where i am doing mistake.

Thanks