Possible Clues:

• Words of deferential obedience
• "Indeed, I can do that"
• "Sure, will do"
• Westley's repeated line in "The Princess Bride"
• Butler's 'Gladly'
• 'Sure, go ahead'
• 'Anything, Princess Buttercup.'
• I agree to disagree formally? Okay, we'll agree to differ!