add constructor to accept only first and last names

Author: tsolakoua

src/main/java/com/amadeus/resources/FlightOrder.java

@@ -54,6 +54,12 @@ public static class Name {
     private @Getter @Setter String firstName;
     private @Getter @Setter String lastName;
     private @Getter @Setter String middleName;
+
+    // Constructor with firstName and lastName only
+    public Name(String firstName, String lastName) {
+      this.firstName = firstName;
+      this.lastName = lastName;
+    }
   }
 
   @AllArgsConstructor