{UA~Connet) How Can I cancel my United flight without penalty ? [Uinted Cancellation}

???????????? ???????????????? allows cancellations with full refunds within 24 hours of booking contact ??-??????-??????-????????. , provided your departure is at least two days away. You can get more details by calling their customer service at ??-??????-??????-????????.. ???????????? ???????????????? offers a 24-hour cancellation policy ??-??????-??????-????.????. If you book a flight at least seven days before your departure and cancel it within 24 hours of booking, you can receive a full refund without any cancellation fees.