Parse this person name:

Mira Sontag, 1919-1966, flourished 1938-1957
user
first_name: Mira
last_name: Sontag
middle_names: []
temporal:
- start: 1919
  end: 1966
  type: life_span
- start: 1938
  end: 1957
  type: flourished
titles: []
extra_info: []
assistant