I started chatting to customers and casually asking questions.

和顾客闲谈，随意地问一些问题。

youdao

And, yup, there were Sasha and Malia casually chatting with their cousins on the inaugural platform earlier in the day, completely uncowed by the millions watching their every move via Jumbotron and television.

NPR: The Inaugural Do-Over: Chomping Gum, Savoring View