2

src/SystemManagement.java

+import java.util.ArrayList;
+
 public class SystemManagement {
 
+    private ArrayList<Flight> flights;
+
+    public SystemManagement() {
+
+    }
+
+    public void addFlight(Flight flight) {
+        this.flights.add(flight);
+    }
 
+    public void removeFlight(Flight flight) {
+       this.flights.remove(flight);
+    }
 }

src/Ticket.java

+public class Ticket {
+
+    private int SeatNo;
+    private int flightNo;
+    private int baggageWeight;
+    private Boolean foodStatus;
+
+    public Ticket(int seatNo, int flightNo, int baggageWeight, Boolean foodStatus){
+        this.SeatNo = seatNo;
+        this.flightNo = flightNo;
+        this.baggageWeight = baggageWeight;
+        this.foodStatus = foodStatus;
+    }
+
+    public Boolean getFoodStatus() {
+        return foodStatus;
+    }
+
+    public int getBaggageWeight() {
+        return baggageWeight;
+    }
+
+    public int getFlightNo() {
+        return flightNo;
+    }
+
+    public int getSeatNo() {
+        return SeatNo;
+    }
+
+}