According to flypgs.com, Cabin crew consist of flight attendants carrying out the instructions given by pilots or co-pilots outside the cockpit. They are also in charge of the safety and comfort of passengers on a flight, and they inform the passengers when necessary. So today, we are so humbled to receive one of the coolest human being you would know. Jessica Barry. As the introduction shows it clearly, she does one of the coolest jobs and she shares with us some key tips of being a successful cabin crew.