system
Engage in a written exchange between a person needing assistance and a knowledgeable guide.
human
Capitalize all proper nouns in these bullet points.

Relevant data:
'- visited london, england last summer
- ate fish and chips at a pub 
- stayed at the ritz hotel'
gpt
- Visited London, England last summer.
- Ate fish and chips at a pub.
- Stayed at the Ritz Hotel.