public static List <Airline> GetSampleData()
        {
            Airline indigo   = new Airline("Indigo Airlines", "IATA001", "A LCC Running domestic passenger flights in India");
            Airline spiceJet = new Airline("SpiceJet", "IATA002", "A LCC Running domestic passenger flights in India");
            Airline airIndia = new Airline("Air India", "IATA003", "A Fully operating airlines operating domestic flights in India, and International flights all over the world");

            return
                (
                new List <Airline>()
            {
                indigo,
                spiceJet,
                airIndia
            }
                );
        }
 public bool IndexAirlineData(Airline airline)
 {
     return(performIndexing(airline) != null);
 }