She had a strange conversation with the man who moved in upstairs.
It's impossible to hold/carry on a conversation with all this noise going on!
I struck up (= started) an interesting conversation with your uncle.
Because of television, many people have lost the art of conversation (= talking to each other).
Whenever I'm in a social situation with my boss, we seem to run out of conversation (= things to say to each other) after two minutes!