You can call me Luke. I see, Sir Luke. Ha ha. Just Luke.
7 seconds sound clip from the Star Wars: Episode IV - A New Hope (1977) movie soundboard.
You can hear this line at 00:20:19 in the Blu-ray version of the movie.
Quote context
[...]
- I'm only a droid and not very knowledgeable about such things, not on this planet, anyway.
- As a matter of fact, I'm not even sure which planet I'm on.
- Well, if there's a bright center to the universe, you're on the planet that it's farthest from.
- You can call me Luke. I see, Sir Luke. Ha ha. Just Luke.
- Oh And I am C-3 PO, human-cyborg relations.
- And this is my counterpart R2-D2.
- Hello.
- You got a lot of carbon scoring. Looks like you boys have seen a lot of action.
[...]