Well, we didn't know how to make one.

4 seconds sound clip from the Beetlejuice movie soundboard.

You can hear this line at 00:30:03 in the Blu-ray version of the movie.

Quote context

[...]

- Maybe you can relax in a haunted house, but I can't.

- Hmm. Nice building. Bad roof. Good parking.

- Adam?

- This way, honey.

- You don't have an appointment, do you?

- Well, we didn't know how to make one.

- Appointment for what?

- What do you want?

- We need some help. (2)

- Ha! Already?

[...]