Airline seating assigning help.

Exercise 2.20. Airline seating. Design and implement a program that assigns seats on an
airplane. Assume the airplane has 20 seats in first class (5 rows of 4 seats each, separated
by an aisle) and 180 seats in economy class (30 rows of 6 seats each, separated by an
aisle). Your program should take three commands: add passengers, show seating, and
quit. When passengers are added, ask for the class (first or economy), the number of passengers
traveling together (1 or 2 in first class; 1 to 3 in economy), and the seating preference
(aisle or window in first class; aisle, center, or window in economy). Then try to
find a match and assign the seats. If no match exists, print a message. Follow the design
process that was described in this chapter.

Everything else I get, except the main problem, which is assigning seats. I cannot figure out a way to add for example, only 2 seats to the array.

If someone could help steer me in the right direction, that would be great. Thanks

import java.util.Scanner;


public class Menu {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
			
		int choice = 0;

		Scanner kb = new Scanner(System.in);

		//Create a new airplane - this probably has to go inside the while loop
		First_Class airplane = new First_Class();
		Economy_Class airplane1 = new Economy_Class();

		while(choice != 3){
			
		System.out.println("1: Add passengers");
		System.out.println("2: Show seating");
		System.out.println("3: Quit");
		
		
		choice = kb.nextInt(); //Selection choice

		//Add Passengers
		if(choice == 1){
			
			
			System.out.println("1:First or 2:Economy class?"); //Asks for class		
			int seatingClass = kb.nextInt(); //Stores class choice
			
			
			System.out.println("How many passengers?");//Asks for # of passengers
			int numPassengers = kb.nextInt();//Stores # of passengers
			
			//If first class and 3 or more passengers, deny access.
			if(seatingClass == 1){
				if(numPassengers <= 2){
					System.out.println("1:Aisle or 2:Window");//Seating preference

					int preference = kb.nextInt();
					if(preference == 1){
					airplane.addAisle(numPassengers); //Add to aisle
				}
					else{
						airplane.addWindow(numPassengers); //Add to window					
				}
				
			}
			else{
				System.out.println("You want to add " + numPassengers + " passengers."); //2 or less
				System.out.println("Sorry, but you can only add up to 2 passengers at a time into First class, please try again.");
			}
		}
			if(seatingClass == 2){
				if(numPassengers <= 3){
					System.out.println("1:Aisle 2:Center 3:Window");
					
					int preference = kb.nextInt();//Seating preference
					if(preference == 1){//Aisle
						System.out.println("1:Aisle");
					}
					if(preference == 2){//Center
						System.out.println("2:Center");
					}
					if(preference == 3){//Window
						System.out.println("3:Window");
					}
				}
			else{
				System.out.println("You want to add " + numPassengers + " passengers."); //3 or less
				System.out.println("Sorry, but you can only add up to 3 passengers at a time into Economy class, please try again.");
			}
			}
			
		} 
		
		if(choice == 2){
			
			System.out.println("First Class");
			airplane.display();
			System.out.println("Economy");
			airplane1.display();
			
			
		}
		
		
		
		
		}
		
	}

}

public class First_Class {
	
	int ROW = 5; //Five rows
	int COLUMN = 4; //Five columns

	private int[][] array = new int[ROW][COLUMN];
	
	int numPassnegers;
	
	public First_Class(){
	
		}
	
	public void addAisle(int numPassengers){
		
		this.numPassnegers = numPassengers; 
	
		for(int i =0; i<ROW; i++){
			
			if(array[i][1] == 0){
				array[i][1] = 1;
			}
			
			
			
		}
}
		
	public void addWindow(int numPassengers){
		
	}
	
	public void display(){
		
		for(int i=0; i< ROW; i++){
			
			for(int j=0; j< COLUMN; j++){
				
				System.out.print(array[i][j] + " ");
			}
			System.out.println("");
		
		
	}
	
	
	}
	
		
		
	}