- How long have you had these droids?
- Three or four seasons.
5 seconds sound clip from the Star Wars: Episode IV - A New Hope (1977) movie soundboard.
You can hear this line at 00:43:28 in the Blu-ray version of the movie.
Quote context
[...]
- You'd have been killed, too, and the droids would now be in the hands of the Empire.
- I want to come with you to Alderaan. There's nothing for me here now.
- I want to learn the ways of the Force and become a Jedi like my father.
- You will never find a more wretched hive of scum and villainy. We must be cautious.
- How long have you had these droids?
- They're up for sale if you want them.
- Let me see your identification.
- You don't need to see his identification.
- We don't need to see his identification.
- These aren't the droids you're looking for.
[...]