User will be able to sort the flight by
- Price( Low to High & High to Low)
- Duration(Minimum & Maximum)
- Time( First & Last Flight of the day)
- Best value (sorting based on min. stoppage(1st)+duration(2nd) + cheapest price(3rd))
Rules:
Sorting will be done separately sector-wise.
By-default sorting will be done based on Price(Low to High).