Parse this person name:

Ashley Keller, 1291-1357, flourished 1317-1345
user
first_name: Ashley
last_name: Keller
middle_names: []
temporal:
- start: 1291
  end: 1357
  type: life_span
- start: 1317
  end: 1345
  type: flourished
titles: []
extra_info: []
assistant