user_query: Movie release
response_text: OK, I'll remind you on October 1, 2023 at 6:00 AM.
user_query: 6:00AM
response_text: Alright, on October 1, 2023 at 6:00 AM. What's the reminder?
user_query: Add a reminder on October 1, 2023
response_text: OK, on October 1, 2023. At what time?
User: Please add an office number, no a mobile number.
Parse: Add_contact ( label « mobile » )