Parse this person name:

Justin Nichols, 1730-1783, flourished 1750-1778
user
first_name: Justin
last_name: Nichols
middle_names: []
temporal:
- start: 1730
  end: 1783
  type: life_span
- start: 1750
  end: 1778
  type: flourished
titles: []
extra_info: []
assistant