human
Existing Text : 
The schedule is : \n1. Breakfast at 8:00 AM\n2. Lunch at 12:00 PM\n3. Dinner at 6:00 PM

User Input:
Change Dinner at 6:00 PM to Dinner at 8:00 PM
gpt
The schedule is : \n1. Breakfast at 8:00 AM\n2. Lunch at 12:00 PM\n3. Dinner at 8:00 PM