title: How to achieve UIPickerView as shown in image, with titles for components?
body: <p><img src="https://i.stack.imgur.com/BJpJP.png" alt="enter image description here"></p>
  
  <p>How to achieve picker view like this? I have implemented all necessary delegate and dataSource methods to populate the data, but the thing I am not able to understand is how to add this titles <strong>adults</strong>, <strong>children</strong> and <strong>infants</strong>?
  They are static and does not spin with the component!</p>