dialogue vs work the room

dialogue

verb
  • To discuss or negotiate so that all parties can reach an understanding. 

  • To put into dialogue form. 

noun
  • A literary form, where the presentation resembles a conversation. 

  • In a dramatic or literary presentation, the verbal parts of the script or text; the verbalizations of the actors or characters. 

  • A dialogue box. 

  • A conversation or other form of discourse between two or more individuals. 

work the room

verb
  • To interact enthusiastically with the attendees at an event, by moving among them, greeting them, and engaging them in conversation. 

  • To interact with one's audience, taking cues from its reactions and adapting one's performance or words to elicit the audience's attention and enthusiasm. 

How often have the words dialogue and work the room occurred in a corpus of books? (source: Google Ngram Viewer )