Artificial intelligent assistant

interjector

interjector
  (ɪntəˈdʒɛktə(r))
  [agent-n. from L. interjicĕre to interject.]
  One who interjects or interpolates.

1891 Pall Mall G. 3 June 6/1 The interjector always gets the worst of it in an encounter with an old parliamentary hand.

Oxford English Dictionary

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