Parse this person name:

Megan Thomas, 1714-1772, flourished 1739-1760
user
first_name: Megan
last_name: Thomas
middle_names: []
temporal:
- start: 1714
  end: 1772
  type: life_span
- start: 1739
  end: 1760
  type: flourished
titles: []
extra_info: []
assistant