Before Travel
To carefully pay attention to the flight details that the pilot discusses with the crew members during the briefing.
To ensure that all the necessary equipment including first-aid kits, emergency exits, and other evacuation devices are functioning properly.
To ensure that there is adequate amount of food and beverages for all passengers, including other supplies like pillows, blankets, reading material, etc.
Read more at Buzzle: http://www.buzzle.com/articles/air-hostess-jobs.html