user_query: Nice!
response_text: Sending your message saying Nice!.
user_query: text Ava
response_text: Got it, what's the message?
user_query: text Ava
response_text: Sorry,, who do you wanna text?
User: Begin my trampoline workout for 15, no, 20 minutes, please.
Parse: Start_exercise ( activity « trampoline » duration « 20 minutes » )