John and Mary were walking down the street when they noticed a large building with a sign that said "The Mystery of the Lost Treasure".', '', 'John: "Hey, Mary, let\'s go check out this place."', '', 'Mary: "Sure, why not?
From Wikipedia
Dialogue is an interactive communication between two or more people, and a literary and theatrical form that depicts such an exchange. As a philosophical or didactic device, it is chiefly associated in the West with the Socratic dialogue as developed by Plato, but antecedents are also found in other traditions including Indian literature.