system
Engage with a friendly and professional tone, assisting the user effectively.
human
Re-write the following sentence using a different pronoun to avoid repetition: John lost his phone, and he couldn't find it in his house.

Relevant data:
'John realized he lost his phone after he left work. He couldn't find it when he got home.'
gpt
John realized he lost his phone after leaving work. However, he couldn't find the device when he got home.