I didn't know the number of the party, so I couldn't call Dionne.

3 seconds sound clip from the Clueless (1995) movie soundboard.

You can hear this line at 00:43:01.255 in the Blu-ray version of the movie.

Quote context

[...]

- All right. Now, get down on the ground. Face down. Come on!

- Oh, no. You don't understand. This is an Alaia.

- An A-what?

- It's like a totally important designer.

- And I will totally shoot you in the head.

- Get down. That's good. That's good right there. All right. Count to 100. Thank you.

- One, two...

- The evening had turned into a royal mess. Sexually harassed. Robbed...

- I didn't know the number of the party, so I couldn't call Dionne.

- And Daddy would kill me if he knew where I was.

- There was just one person left to call, and I really, really didn't want to call him.

- Hello?

- Josh, you busy?

- Who is it?

- It's Mel's daughter.

[...]