Parse this person name:

Xavi Ponci, 1346-1399, flourished 1371-1389
user
first_name: Xavi
last_name: Ponci
middle_names: []
temporal:
- start: 1346
  end: 1399
  type: life_span
- start: 1371
  end: 1389
  type: flourished
titles: []
extra_info: []
assistant