gistfile1.txt

class Flight(models.Model):
    ff_number = models.CharField(max_length=10,verbose_name="Flight Number")
    ff_company = models.ForeignKey(FlightCo, on_delete=models.CASCADE, verbose_name="Flight Company")
    ff_from = models.ForeignKey(Airport, on_delete=models.CASCADE, related_name="airport_from", verbose_name="From")
    ff_to = models.ForeignKey(Airport, on_delete=models.CASCADE, related_name="airport_to", verbose_name="To")