human
Existing Text : 
The schedule for the day is : 
9:00 AM - 10:00 AM : Meeting
10:00 AM - 11:00 AM : Break

User Input:
Add 11:00 AM - 12:00 PM : Lunch to the schedule
gpt
The schedule for the day is : 
9:00 AM - 10:00 AM : Meeting
10:00 AM - 11:00 AM : Break
11:00 AM - 12:00 PM : Lunch