Dear Sir or Madam,
I am writing in response to the advertisement you placed in the China Daily of June 8, for an assistant manager in your company. Both my educational background and work experience closely parallel your requirement.
I graduated with a Bachelor’s Degree in Human Resource with honors in July, 2013. I am convinced that the relevant knowledge acquired in university will lay a solid foundation for my future career. Another point I want to draw your attention to is that I have taken an active part in a wide range of campus activates.
In the due process, my team spirit has been enhanced and my interpersonal skills improved. Enclosed with the letter is my resume which further details my qualification and experience.
If you could grant me an interview, I will be highly grateful. I can be reached at the 54545454. Thank you for your consideration and looking forward to your favorable reply.
Much to my regret / I amterribly sorry that I am unable to . It is mainly because at that timeI will be full occupied by which is quite out of my expectation, and thatconflicts with your .Therefore I am forced to adjust my schedule and cannot make my presence on your . I sincerely hope thatyou will enjoy a good time. By the way, can we have dinner together some timenext week? I hope to see you soon.
I am really sorry againand I trust that you will understand.
道歉信是由于自己的疏忽失误而向对方表达歉意并出于诚意写出具体弥补办法。第一段首先亮出写作目的并简单阐述该物品的状态：I am writing to make an apology to you for+句子(表明事件因由)。
第二段列出出错的原因及具体补救办法：To make up my fault,......\ I will......as a token of my apology\ I sincerely apologize for mycareless mistake as well as for any inconvenience thus caused to you.
第三段再一次表达歉意：Once again, I am sorry formy carelessness. Looking forward to your reply.