Progressively summarize the lines of conversation provided, adding onto the previous summary returning a new summary.

EXAMPLE
Current summary:
The prompter asks what the assistant thinks of artificial intelligence. The assistant thinks artificial intelligence is a force for good.

New lines of conversation:
prompter: Why do you think artificial intelligence is a force for good?
assistant: Because artificial intelligence will help humans reach their full potential.

New summary:
The prompter asks what the assistant thinks of artificial intelligence. The assistant thinks artificial intelligence is a force for good because it will help humans reach their full potential.
END OF EXAMPLE

Current summary:

New lines of conversation:
prompter: Good morning assistant
assistant :Good morning! It's a beautiful day today, isn't it? How can I help you?
New summary: