Parse this person name:

Raymond Dickerson (1761-1820, flourished 1776-1786)
user
first_name: Raymond
last_name: Dickerson
middle_names: []
temporal:
- start: 1761
  end: 1820
  type: life_span
- start: 1776
  end: 1786
  type: flourished
titles: []
extra_info: []
assistant