It's on the tip of the tongue

User: "Brown jacket"
Me: "Excuse me?"
User: "Brown jacket"
Me: "hmmm...did you loose one?"
User: "yes"

User: "Do I have to be using a computer with a scanner to scan?"

User: "Do you have....umm....umm...[1 min later]... stapler?"

User: "How do use this copy card here?"
Me: "That card says library on it"

User: "Where is the QQQQ Building?"
Me: "On QQQQ Street"

User: "Where is the color printer thing?"

User: "Do you have a staple taker-outer?"