interlocutor
conversational partner

"We can still have tea," his conversational partner said with dignity and turned her shoulder on the wet-blanket gentleman.

Some speakers use upward inflexion as a way of including their conversational partner in the dialogue.

Your conversational partner wanted to emphasize a point or belief.

These unlikely conversational partners may not agree on every subject, but it turns out they do have quite a lot to talk about.

Women with any Cuban blood in them-well, they make great conversational partners.

In this sense, the child's conversational partner creates the conditions which make meaningful communication possible.

One cannot with certainty say, what exactly his/her conversational partner refers to, when that person is talking about a rabbit.

All was well until the entrees were served, the accepted moment to switch conversational partners, no matter how much fun you're having.

I find it awkward to speak when I have no conversational partner.

But if you're not living in a democracy, be cautious about the sorts of political questions you ask, unless you know your conversational partners well.