user_query: Jones.
response_text: Sure, what's the message?
user_query: Olivia S.
response_text: Sorry,, which Olivia S would you like to message?
user_query: Send Olivia S a message.
response_text: Is that Olivia JONES or Olivia SMITH?
User: Cancel that car, I mean taxi that's coming in 30 minutes.
Parse: Cancel_ride ( pickup_time « 30 minutes » )