Parse this person name:

David Thomas (1270-1324, flourished 1292-1318)
user
first_name: David
last_name: Thomas
middle_names: []
temporal:
- start: 1270
  end: 1324
  type: life_span
- start: 1292
  end: 1318
  type: flourished
titles: []
extra_info: []
assistant