I mean, sure, help the girl that tried to kill you and your friends escape, because she really wants to dance, even though there is a giant dangerous undead dragon out there somewhere and she's a key to finding it. Sure, just let it roam around for 2 days doing god knows what, I'm sure that's totally outweighed by an assassin getting to dance on stage. Just make sure to tell the grieving families potentially killed by the dragon that their loved ones died for the good cause of letting the person who summoned the dragon get to dance around.
I swear, the writing in this is so terrible, why am I even reading it.