Conversationalist

Noun

 * 1) A person who participates in a conversation.
 * If you can just ask questions about a person and nod sagely then they will leave thinking you are a brilliant conversationalist.
 * 1) A person skilled in conversation, especially one who is not expert on the topic of conversation.

Adjectives
fluent; elegant; absorbing; gifted; interesting; brilliant.

Thesaurus
chatterbox, collocutor, colloquialist, conversational partner, converser, dialogist, discourser, interlocutor, interlocutress, interlocutrice, interlocutrix, palaverer, parleyer, patterer, sayer, speaker, talker, utterer