Originally Posted by
PAXboy
I have not done that at DCA but at other places and it's fine - they want the money! Usually, when booking an airport location they want a flight number which you may be able to skip or just put in a suitable one that is arriving 30 mins before you expect to collect.
Didn't have to provide a flight number for this reservation, which, by the way, is pre-paid, or even an airline.