Update Flight Cheapest Date Search example

Author: Anthony Roux

README.md

@@ -216,8 +216,8 @@ FlightDestination[] flightDestinations = amadeus.shopping.flightDestinations.get
 
 // Flight Cheapest Date Search
 FlightDate[] flightDates = amadeus.shopping.flightDates.get(Params
-  .with("origin", "NYC")
-  .and("destination", "MAD"));
+  .with("origin", "MAD")
+  .and("destination", "MUC"));
 
 // Flight Low-fare Search
 FlightOffer[] flightOffers = amadeus.shopping.flightOffers.get(Params