Originally Posted by BertieBadger

There's a subtle difference in the segment with Sir Ian McKellen and Warwick Davis explaining the oxygen masks, depending on what aircraft type you are on.

Normally, the dialogue is something like "I'm sure you'll get the part" / "I do hope so"

On an aircraft where there is no bag on the oxygen mask (e.g. 787) it's slightly changed, and Sir Ian replies "I usually do".