The web site rejects a credit card if you enter the wrong information, the credit card is invalid, or the credit card exceeds its limit. If one of these situations occurs, you immediately receive an error message asking you to use a different card. Please contact our Spirit Vacations office at 877-474-8006 Monday – Friday 8:00 am – 10: 00 pm (EST) Saturday and Sunday (including holidays) 9:00 am-6:00pm (EST) for further assistance.