I never have the good luck to run into the people I really want to meet
I never just run into the people I really want to see
It's my fate/destiny to never run into the people I really want to see
「会いたい人に限って会えないなー」= I never have the good luck to run into the people I really want to meet / I never just run into the people I really want to see
「偶然・ばったり」= run into 誰々
「運命」という単語を入れたいなら、「It's my fate/destiny to never run into the people I really want to see」という言い方を使えます。