The phrase "friendly chitchat" is correct and can be used in written English
You can use it when referring to casual conversation between two or more people that is pleasant in nature. For example, "The two old friends enjoyed a cup of coffee together, engaging in friendly chitchat."
When the florist Eric Buterbaugh arrives, there are double kisses and friendly chitchat.
He also has a crush on a stripper known as Cassidy (Ms. Tomei), whose lap dances and friendly chitchat he interprets as signs of reciprocated interest.
When Mrs. Croft, attempting friendly chitchat, mildly suggests that June must have been something of a "terror" back at her girls' school, June proudly bellows back, "I was captain of the hockey team and a strict disciplinarian".
It's the kind of place where, after a few minutes of friendly chitchat – where are you from, who's your favourite Doctor etc – the conversation can get existential in a hurry.
She's preparing for a rare date as the play opens, making friendly chitchat with the brand-new baby sitter she has rashly yoked into watching her daughter, who is still nonverbal, highly allergic and described as being a "special needs" child on "the spectrum".
After the show, Mr. Andrew tried a little friendly chitchat on Mr. Nicholson: "Hey, they didn't even need us in there, did they?" What he got back, though, was the tight smile of an airline passenger engrossed in a really good book and hoping to discourage instant intimacy without being totally rude.
Representative Jean Schmidt, Republican of Ohio (wearing a poncho) wandered over and engaged Ms. Lee in what looked like friendly bipartisan chitchat, and Representative Eliot L. Engel, Democrat of New York, wandered by.
Jim Gillis, who lives two doors down from the McClure home, said Roberta McClure was friendly and comfortable with chitchat.
As the auctioneer tumbled his way through the escalating bids, Walker chitchatted with the friendly crowd and at times engaged in a bit of salesmanship.
He's a captain (store manager), commander (new store manager), first mate (assistant store manager), or crew member (salesclerk), and he is so eager to chitchat that he gives "friendly" a bad name.
It is the woman who is friendly to the grungy kid on the bridge, not knowing he had been planning to jump off, but whose chitchat breaks the spell of despair so that, instead of plummeting to his death, he goes home and makes an omelet.
