Parse this person name:

Allison Graves, 1926-1981, flourished 1949-1959
user
first_name: Allison
last_name: Graves
middle_names: []
temporal:
- start: 1926
  end: 1981
  type: life_span
- start: 1949
  end: 1959
  type: flourished
titles: []
extra_info: []
assistant