I Was a Pan Am Princess of the Sky by Fumiko Takahashi (2013)(**)
Told by a stewardess who flew for Pan American Airways for 16 years. This book covers the1960's and '70's jet-set lifestyle, Pan Am's rise and fall, celebrity and stewardesses stories, all told from an insider's point of view.
https://www.amazon.com/dp/B009SUIEP6/