"Just received my order, I must congratulate you on such brilliant service, a pleasure to deal with you. Thanks very much"
"I recently received my first order from your company and was impressed with the care taken with the packaging to ensure the books arrived safely."
"I just wanted to let you know that the books have arrived safely here in Townsville, North Queensland. Thank you ever so much for providing such excellent service and value. Take care and all the best."