Parse this person name:

Jeffery Johnson (1738-1782, flourished 1763-1777)
user
first_name: Jeffery
last_name: Johnson
middle_names: []
temporal:
- start: 1738
  end: 1782
  type: life_span
- start: 1763
  end: 1777
  type: flourished
titles: []
extra_info: []
assistant