user_query: the first Monday of the month
response_text: When do you want it to repeat?
user_query: once a month
response_text: OK, handle transportation expenses on the 27th day every month. At what time?
user_query: start a task to handle transportation expenses.
response_text: Alright, do you want to add time?
User: Uber canceln.
Parse: Cancel_ride ( provider « Uber » )