/PROG_HDR/
Program Description:
This Program maintains the Airport/City codes file.
/SCREEN1/
Program Operation:
Enter the three letter ARC airport code (or if the city doesn't have an airport, make up a unique city
code).
The first three description fields are used for different purposes. The itinerary description is used for describing the airport in an itinerary [ie., Los Angeles (LAX)]; The second is the description for a ticket [ie., LOS ANGELES-LAX]; The third is for describing the city in an itinerary [ie., Los Angeles].