Flight(String newOrigin, String newDestination, Date newDate, int newEtd, int newEta, double newBasePrice, double newConcession){
		//constructor
		flightNumber = c++;
		origin = newOrigin;
		destination = newDestination;
		date = newDate;
		etd = newEtd;
		eta = newEta;
		basePrice = newBasePrice;
		concession = newConcession;
		
	}