Background
This section describes the situation; e.g.
I am writing to inform you that the goods we ordered from your company have not been supplied correctly.
I attended your exhibition Sound Systems 2015 at the Fortune Hotel (22-25 January) and found it informative and interesting. Unfortunately, my enjoyment of the event was spoiled by a number of organisational problems.
I am a shareholder of Sunshine Bank and I am very concerned regarding recent newspaper reports on the financial situation of the bank. Your company is listed as the auditor in the latest annual report of the bank, so I am writing to you to ask for an explanation of the following issues.
I am writing to inform you of my dissatisfaction with the food and drinks at the 'European Restaurant' on 18 January this year