Parse this person name:

Brian Lawson, 1729-1805, flourished 1754-1767
user
first_name: Brian
last_name: Lawson
middle_names: []
temporal:
- start: 1729
  end: 1805
  type: life_span
- start: 1754
  end: 1767
  type: flourished
titles: []
extra_info: []
assistant