Center Bootstrap Caption Carousel

<div class="carousel-caption flex" style="display: flex; align-items: center;">
   <div> <!-- div which content is not aligned -->
      <h3>Headline lorem ipsum dolor</h3>
      <p>Story gnis dis dolor re niet, sed quia se perferciaes eossedit, susam, sam voluptas sandebi stiusam, cuptaturem sequis imi, is etur</p>
   </div>
</div>