Parse this person name:

Mark Mitchell, 1603-1676, flourished 1620-1638
user
first_name: Mark
last_name: Mitchell
middle_names: []
temporal:
- start: 1603
  end: 1676
  type: life_span
- start: 1620
  end: 1638
  type: flourished
titles: []
extra_info: []
assistant