@dalehileman,
It's pleasantry.
pleas·ant·ry
[ˈplezntrē]
NOUN
(pleasantries)
an inconsequential remark made as part of a polite conversation:
"after an exchange of pleasantries, I proceeded to outline a plan"
synonyms: banter · badinage · polite remark · casual remark
a mild joke:
"he laughed at his own pleasantry"
synonyms: joke · witticism · quip · jest · gag · bon mot · [more]