The above question wants to analyze your writing and communication skills through a letter written by you. For that reason, it's not right for me to write this letter for you, but I'll show you how you can write it.
First, you must identify the type of language that should be used in the letter. As this letter represents communication with a client, you should use a standard language, very formal, without the use of slang and colloquialism.
This way, you can write your letter as follows:
More information on how to write a letter at the link:
https://brainly.com/question/24623157