Parse this person name:

Randy Dawson (1923-1979, flourished 1940-1959)
user
first_name: Randy
last_name: Dawson
middle_names: []
temporal:
- start: 1923
  end: 1979
  type: life_span
- start: 1940
  end: 1959
  type: flourished
titles: []
extra_info: []
assistant