They are Austrian, talking in Viennese dialect.
00:04 Hey, who's there?
00:10 Right, who's there?
00:14 Unbelievable, your voice is totally different, I think im crazy. I wasn't sure that it is you, because Karl wanted to call in too. Hi!
00:22 Ahh, Hey you!
00:27 Right over New York!
00:37 Yeah, are you alright?
00:42 *he is talking about an other pilot coming out of Chicago, but he thinks he's later than them.
00:45 Sleep well for the return flight hopefully, Bye, Kisses, I'll get in touch