Have you always been a pragmatist when it comes to vacationing? If you answered yes, then go no further because Delta Airlines is your best option. The airline is well aware of the worries of flexible travellers, and as a result, it has a generous cancellation policy. You won't have to worry about adjustments after you've booked your flight tickets with this airline.
See: Delta Airlines Cancellation Policy || American Airlines Cancellation Policy || Spirit Airlines Cancellation Policy