departure must be filled in
$VAR1 = {
          'marketID' => 'ocmd',
          'arrival' => '12/12/2019',
          'departure' => '',
          'query_numrooms' => 1,
          'source' => undef,
          'URL' => './step2.pl?_SESSION_ATIME=1597414100&numrooms=1&_SESSION_CTIME=1597414100&_SESSION_REMOTE_ADDR=3.226.245.48&_SESSION_ETIME=7200&query_marketID=ocmd&marketID=ocmd&arrival=12/12/2019&ap=1&query_numrooms=1&_SESSION_ID=9b21b8fd0d4659c8e976570e4df6526c&',
          '_SESSION_REMOTE_ADDR' => '3.226.245.48',
          '_SESSION_CTIME' => 1597414100,
          'ip' => '3.226.245.48',
          '_SESSION_ATIME' => 1597414100,
          'ap' => 1,
          '_SESSION_ID' => '9b21b8fd0d4659c8e976570e4df6526c',
          'newstyle' => 1,
          'numrooms' => 1,
          '_SESSION_ETIME' => 7200,
          'query_marketID' => 'ocmd'
        };