So annoying.

I'm low level, I know I'm weak. Nords don't make good novice spellswords. So, I decided to sprint to the nearest shelter to get away from What's-His-Niim frost dragon. Hey, there's an Altmer battlemage, maybe he can help me......nope. To my surprise our would-be ally decided that during a chaotic dragon attack, he's gonna team up with Puff and shoot me with ice spikes.

And again, shot one who was terrorizing Rorikstead and forgot it was an AOE fireball. Needless to say the guard wasn't happy. Even though he's still alive and fighting his bro-hon decides to start cutting into my back with his sword. I mean, it's a dragon attack dude! It happens. Don't make me put an arrow in your knee. I already put my fist through the drywall. Sheesh.

Finally I have one flying in the air and I'm trying to aim by dual-casted firebolts (Had fireballs but wanted to conserve magicka) and in spite of all the mayhem, this tool carrying a museum flyer thinks I want to head to Morthal to learn about the Mythic Dawn. I took his flyer, AND THREW IT ON THE GROUUUUUNNNND!!!!! I don't need no compass. I'm an advlt. Please. Shove your questline in some other noob's face!!

So, how have Skyrim's NPCs mucked up your dragon fights?

This thief ran up to me and asked me to hold on to the sword he just stole. Im like "Uh wat", and the dragon is burning me up while Im trying to get out of this conversation.

Alvor the Riverwood blacksmith decided it would be a good idea to sprint directly at a frost dragon at full health with an iron ax. Surprisingly he died.
I also had one of the Alikr (the redguards looking for a woman) intervene in a dragon fight near Whiterun. The dragon decided to "taste" him. After I killed the dragon I took his scimitar, a rather good sword at low levels.

Lawl, first white run dragon a slave or whatever npc runs up as the dragon os doing a strafing run and initiates a convo with me, gets me burned then he dies from fire, wasn't too bad. I live, or so i think, until his master/hunter comes up moments later and initiates a chat with me, getting me bit or burned. Was hilarious.

was just outside whiterun and i see a dragon attacking mammoths, the music comes on in the background and i pull out my sword the dragon lands on the ground and in the distance i see a giant running straight at it.
story short the giant did the work for me.