user_query: 11 am
response_text: Sure, I'll remind you on December 10 at 11:00 AM.
user_query: Next Saturday.
response_text: Got it, Clean off the garden spot. This will be for December 10. At what time?
user_query: Clean off the garden spot.
response_text: Got it, do you want to add time?
user_query: Create a task for me.
response_text: What's the reminder?
User: Schedule a payment of of $50 for my phone on September to come out on September 19th.
Parse: Pay_bill ( billing_date_span « September 19th » payment_amount « $50 » service_type « phone » )