Could you please correct my Email below!?
I’d be really appreciate if you could change it if it sounds rude or unnatural.

Dear Professor (his name),

I’m (my name).
I apologise for emailing you again.
I have told you that I am only available on the 19th but my plans has been changed and now I am available not only the 19th but also anytime on the 15th as well. Please do my interview whenever you are available.

Again, thank you very mu for inviting me to an interview. I’m looking forward to it.

Thank you,

Yours faithfully,
(My name)


Just so you know, I’ll put my first email to my professor.

Dear Professor (his name),

Thank you very much for your invitation to an interview.

I’m delighted to have the opportunity to talk to professors from the course.

From the dates/times suggested I am only available on the 19th March. If that works ok for you, I’m very much looking forward to the interview.

Thank you,

Yours sincerely,
(My name)