@3:12 he changes the lyrics and mentions Dido's name so she storms out of the stage as soon as the song ends and leaves him a letter instead of meeting him again backstage.
What? Why do you think she's pissed off? None of her facial expressions said so, and she left after the gig leaving him a letter saying "Safe journey home, lots of love, Dido". Seems to me like she was very caring.