Artificial intelligent assistant

unbespoken

unbeˈspoken, ppl. a.
  Also 8 unbespoke.
  [un-1 8 b.]
  Not bespoken; not ordered, engaged, or arranged for.

1681 Dryden Abs. & Achit. i. 242 Swift, unbespoken Pomps, thy steps proclaim. 1796 Campaigns 1793–4 I. i. ix. 85 Oh, spare me a Muse (if there's one unbespoke). 1843 Geo. Eliot in Cross Life (1885) I. 124 We need not be idle in imparting all that is pure and lovely to children whose minds are unbespoken. 1860 Emerson Cond. Life vi. (1861) 118 The horses come up with the family carriage unbespoken to the door.

Oxford English Dictionary

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