Ok, I think you got this.
asd.PNG
Katie on 3
Soma on 4
Prince on 5
Iris on 1
Cloris/Mehlis/Beatrice on 6
(as they die)
Eunice on 2
Alissa on 7
(to slow down the dragon)
Soma might not put out enough damage. A CC'd Bashira would really do wonders for you.