If a customer comes with a $12,500 deposit, all in ones, do you roll your eyes to demonstrate your feelings towards his action?

"I understand through my research and exposure to your company that customers always come first. I wholeheartedly agree that the customer must be taken care of, even beyond their expectations."

"I will ensure that your customer service standards are continually met by following your service protocols, exactly. I am always willing to lend a hand, and am a happy person, which creates a positive environment for customers."