Rented from an off-Airport location. We were delayed and called the Office. We were reminded that we were 'late' and that our rental could be given away to another customer. We acknowledged and gave them our new arrival time. We were VERY pleased with the rental we received (not the original), and with the Customer service upon arrival. It was a 1-way rental, returned to the Frankfurt airport. EVERYTING went smoothly, we couldn't have been happier. Thanks!