“I sincerely appreciate your hard work.” “Thank you.” • “Huge appreciation to you ... for moving this forward” • “Thank you ... from the bottom of my heart and warmest regards.” • “I deeply appreciate your dedication and work ethic.” • “Thank you so much for so diligently working on [my case].” • “[Y]our framing of each issue is particularly effective.” • “[Kimberly] showed incredibly quick grasp of our business.”