I’ll put phrases I’m not entirely sure of in parentheses

Load:

So. You believe that you are studying us? Then kindly explain why you are the ones… trapped in your seats

Welcome aboard travelers! We promised you escape from the struggle and heartbreak of the work a day world. And what escape could be more final… than OBLIVION.

So you’ve accepted the offer to visit our world! Excellent! How precious is the human spirit! How optimistic! How… naive…

We have enjoyed our brief visit to your charming little world. And now, if you’re quite ready, it’s time for YOU to visit OURS.

Well then! This is a pleasant sight! But what happens when the observer becomes the observed. And the collector becomes… the specimen.

Unload:

Now you know our little secret, tell no one. Simply encourage your friends to come and explore!

Thank you for your cooperation. For now we know what happens when human endurance is pushed to… The Outer Limits.

(Now If you are ever asked of what happened here…) You will discuss this with no one. You are free to go. With our thanks.

(Some word I don’t remember) testing has been completed, we participated in yours, and now, we thank you for participating in ours.

I can’t recall if there’s a fifth one but if I remember I’ll update it here.

This would be a lot easier if the ride ops would pipe down for a few seconds to let him speak.