Need helpto check this respond email about customer complaint

[balthazorr]

Thank you for your (recent) e-mail. We are sorry for the delay in replying to you, but We are pleased to inform you that we are in progress reviewing the matter and we'll inform you the result soon

 

[billmcd]

Thank you for your recent e-mail. We are sorry for the delay in replying to you, but we are pleased to inform you that we are in the [STRIKE] progress [/STRIKE] process of reviewing the matter and we'll inform you of the result as soon as possible.

b.

 

[Barb_D]

I suggest you delete the "We are pleased to inform you" part. First YIU delay in responding at all and then you say it's still not resolved. If I were your customer I would not find that pleasing information.