Parse this person name:

Kelly Thomas (1751-1807, flourished 1779-1792)
user
first_name: Kelly
last_name: Thomas
middle_names: []
temporal:
- start: 1751
  end: 1807
  type: life_span
- start: 1779
  end: 1792
  type: flourished
titles: []
extra_info: []
assistant