public static void Main()
Console.WriteLine("Please enter the flight code. The codes are- 101, 103, 105, 106 and 107");
int no = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("The destination is Dehli and fare is 15000 Rs");
Console.WriteLine("The destination is Mumbai and the fare is 12000 Rs");
Console.WriteLine("The destination is Kolkata and the fare is 14000 Rs");
Console.WriteLine("The destination is Bangalore and the fare is 6000 Rs");
Console.WriteLine("The destination is Indore and the fare is 9000 Rs");
Console.WriteLine("Invalid Input! Try Again!");