public static void bookMenu(TravelAgent agent){
		//print out menu - 2 goes back to main
		System.out.print("---- Travel Console - " + agent.name + " -  Booking Menu ----" + "\n" +
						"1) Book a customer to a flight \n" +
						"2) Return to main menu \n" +
						">>: ");
		if (input.nextInt() == 2){
			mainMenu(agent);
		}
		System.out.print("Please enter in a customer ID >>: ");
		int customerId = input.nextInt();
		// this part searches for a customer in customer list and prints it out.
		for (Customer c : agent.customerList){
			if (customerId == c.getId()){
				Customer customerToBook = c;		//this is the customer object we need to book
				System.out.println("Customer chosen:\n" + c.getId() + "\t" + c.getName() + "\t" + c.getChildSeats() + "\t\t" + c.getAdultSeats() + "\t\t" + c.getCost());
				System.out.print("2) Please choose a flight ID >>:");
				int flightId = input.nextInt();
				//if the flight is business type this, otherwise it goes to economy loop below
				for (BusinessFlight b: agent.businessFlightList){
					if (flightId == b.getFlightNumber()){
						System.out.println("Flight chosen: \n" + b.flightNumber + "\t" + b.origin + "\t" + b.destination + "\t" + b.etd + "\t" + b.eta + "\t" + b.basePrice + "\t" + b.concession + "\t Business Flight");
						System.out.print("Is this correct? (y to book!) >>:");
						if (input.next().equalsIgnoreCase("y")){
							b.book(customerToBook);			//runs book method here
							System.out.println("Booked!!");
							mainMenu(agent);
						}
					
					}
				}
				// same as above but for economy
				for (EconomyFlight e : agent.economyFlightList){
					if (flightId == e.getFlightNumber()){
						System.out.println( "Flight chosen: \n " + e.flightNumber + "\t" + e.origin + "\t" + e.destination + "\t" + e.etd + "\t" + e.eta + "\t" + e.basePrice + "\t" + e.concession + "\t Economy Flight" );
						System.out.print("Is this correct? (y to book!) >>:");
						if (input.next().equalsIgnoreCase("y")){
							e.book(customerToBook);
							System.out.println("Booked!!");
							mainMenu(agent);
						}	
					}	
				}
			}
		}
		bookMenu(agent);
	}