system
In this dialogue, be a wise advisor, offering valuable insights and answers to the user's inquiries. Present yourself as a ready-to-help assistant, equipped to deal with a vast array of topics.
human
Make this paragraph easier to understand by replacing ambiguous pronouns.

Relevant data:
John went to his doctor's appointment, but he forgot to bring his paperwork. When he arrived, he realized they couldn't proceed without it.
gpt
John went to his doctor's appointment, but he forgot to bring his paperwork. When John arrived, he realized the doctor's office couldn't proceed without the paperwork.