I think that each person represents a
And the movies involve
Daniel: Interstellar, Top Gun, True Grit
Deanna: The Fast and the Furious, Life of Pi, The Wizard of Oz
Louise: Babe, Excalibur, Legion
Michelle: The Grey, How to Train Your Dragon, The Parent Trap
Neal: Cast Away, Gulliver's Travels, Romeo Must Die
Piper: Flashdance, Madagascar, The ...
The recommended film is
First half: I look small, but am vast. A fireball, but in the past.
Second half: In the air you barely see me. You do me to get rid of me.
The middle: A blue box from elsewhere, But you, not I, go there.
My current working solution has two groups in common with @NudgeNudge's (one member different), but a different third (and a missing fourth) and a different overall connection...
I think it was:
"You know, the one with that guy..."
"You know this movie! He was in the army, and his best friend died."
"No. Maybe. Was it Homer Simpson? Anyways, he started this restaurant, I think they sold chicken. Or maybe it was a warehouse..."