.........................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)