Ride sharing company Uber will soon operational at the airports in Kolkata, Chennai, Bhubaneswar and Pune.Uber has announced a partnership with Airports Authority of India to offer easier options to ride sharing to travellers from the airports.Ride sharing company will set up booking zones on these airports, where even those who do not have the app will be able to book a ride, it said.There will be a dedicated pick up zone outside arrival terminals said Uber officials.