好心幫下我~~~中文翻譯英文

Dear XXX
Re: Application for the post of a XXXXX
I refer to the captioned matter.
Thanks for offering me the precious opportunity for joining your company and I am more than happy to accept it. I can be available anytime even tomorrow. Please kindly advise me of the effective date of employment. I can be located at phone number xxxx xxxx or via email address xxxx xxxx.
Thank you for your kind assistance.
Best regards,
XXXXXX

Re : Letter of Confirmation
Please kindly note that I am decided to work in your Company. I hope I can help to contribute to the Company.
I can be available anytime upon your advice. Even tomorrow is not a problem for me. I can be reached by telephone number : 123456.
Thank you for your attention.
Looking forward to hearing your reply.
Yours Sincerely,
_____________
YY

I have decided to work at your company and I am available tomorrow.