Nouns

(n)dialogue, dialog, duologuea conversation between two persons
(n)dialogue, dialogthe lines spoken by characters in drama or fiction
(n)dialogue, dialoga literary composition in the form of a conversation between two people“he has read Plato's Dialogues in the original Greek”
(n)negotiation, dialogue, talksa discussion intended to produce an agreement“the buyout negotiation lasted several days”, “they disagreed but kept an open dialogue”, “talks between Israelis and Palestinians”