title: trying to connect two boxes in flowchart latex
body: <p>I am using overleaf and trying to connect like following. 
  <a href="https://i.stack.imgur.com/P3dpc.png" rel="nofollow noreferrer">see image here</a>
  The code is shared using overleaf</p>
  
  <p><a href="https://www.overleaf.com/3275194655nwtxkzncnhqt" rel="nofollow noreferrer">https://www.overleaf.com/3275194655nwtxkzncnhqt</a></p>