/**
  * Print out some details about a segment. This is far from all the available information.
  *
  * @param segment the segment to be displayed
  * @param fmt the formatter to use to display the data
  */
 public void printLeg(AirSegment segment, Formatter fmt) {
   Date dep = Helper.dateFromISO8601(segment.getDepartureTime());
   fmt.format(
       "AIR Departing from %3s to %3s on %Tc\n",
       segment.getOrigin(), segment.getDestination(), dep);
   fmt.format(
       "         Flight [%2s]#%4s  Flight time: %s minutes\n",
       segment.getCarrier(), segment.getFlightNumber(), segment.getFlightTime());
   fmt.format(
       "                           Arrive %Tc\n",
       Helper.dateFromISO8601(segment.getArrivalTime()));
 }