Here are the basics to writing a great business letter

The Reference

I have seen your ad in the yellow pages and I...,
It was pleasant speaking with you via the phone yesterday...,
I have reviewed the letter you sent to me and I found that...

The Reason for Writing

I am writing to enquire about your advertising program...,
I apologize for the misunderstanding we have had in regards to the...,
Your appointment is scheduled for the 3rd I just wanted to confirm the date with you...,
 

Requesting

Could you possibly?
I would be grateful if you could
 

Agreeing to Requests

I would be delighted to
 

Giving Bad News

Unfortunately
I am afraid that
 

Enclosing Documents

I am enclosing
Please find enclosed
Enclosed you will find
 

Closing Remarks

Thank you for your help Please contact us again if we can help in any way.
there are any problems.
you have any questions.

Reference to Future Contact

I look forward to ...
hearing from you soon.
meeting you next Tuesday.
seeing you next Thursday.

The Finish

Yours faithfully, (If you don't know the name of the person you're writing to) Yours sincerely, (If you know the name of the person you're writing to) Best wishes,
Best regards, (If the person is a close business contact or friend)