Parse this person name:

Ashley Miller, 1818-1881, flourished 1844-1857
user
first_name: Ashley
last_name: Miller
middle_names: []
temporal:
- start: 1818
  end: 1881
  type: life_span
- start: 1844
  end: 1857
  type: flourished
titles: []
extra_info: []
assistant