title: Magento 2 custom shipping method hide/show on basis of city
body: <p>I am new to Magento 2, I want to show/hide custom shipping method like delivery in 2 hours radio button if customer fills particular city on checkout page.if he is from that city will show "2 hour delivery option" if not will hide it.
  Can anybody help me in this?</p>
  
  <p>Thanks in advance.</p>