user_query: add an event for tomorrow 3pm no 4pm
response_text: Alright, No 4pm tomorrow at 3:00 PM. Do you want to save that?
user_query: reate an event for tomorrow 3pm i mean 4pm
response_text: Sorry, do you want to save that event?
user_query: yes
response_text: Alright, I saved your event.
user_query: add an event for tomorrow 2pm no 6pm
response_text: Alright, No 6pm tomorrow at 2:00 PM. Do you want to save that?
User: Quit the weightlifting.
Parse: Stop_exercise ( activity « weightlifting » )