"1. If you can get them, pick young married women. They have these advantages, according to the reports of western companies: they usually have more of a sense of responsibility than do their unmarried sisters; they're less likely to be flirtatious; as a rule, they need the work or they wouldn't be doing it — maybe a sick husband or one who's in the army; they still have the pep and interest to work hard and to deal with the public efficiently.
2. When you have to use older women, try to get ones who have worked outside the home at some time in their lives. Most transportation companies have found that older women who have never contacted the public, have a hard time adapting themselves, are inclined to be cantankerous and fussy [so true! Ed.]. It's always well to impress upon older women the importance of friendliness and courtesy. "