TEMPO.CO, Jakarta - When boarding a plane, flight attendants usually greet passengers at the door. In fact, flight attendants conduct quick evaluations of passengers to ensure safety and security. Emergency SituationsIn addition to assessing potential threats, flight attendants also look for people who may play a crucial role in emergencies. Service StrategiesWhile offering greetings, flight attendants also prepare service strategies. Macias added that flight attendants ensure compliance with carry-on baggage policies by observing how passengers are dressed and making sure that no one causes trouble.