Dear Argosy, Thank you for your prompt and efficient attention to my order. It has arrived safely and I am very pleased with it. It was particularly good of you to take the trouble (and expense!) to send it priority mail.
Just a note to let you know that my book order was received and I was very pleased with both the merchandise and the well-packaged and quick delivery of it. It was a pleasure doing business with you, and hopefully, I will be back again soon!