Query: user: I want to see a Jon B concert at Napa.
assistant: The concert has 5 dates. There is Jon B show at Blue Note Napa on March 1st.
user: Are there any other dates available? I want to see Vampire Weekend in San Diego. I hear that it is pretty good.
assistant: Vampire Weekend would be playing at Cal Coast Credit union amphitheater on March 4th.
user: That would be perfect. Do I have free time on that day?
assistant: On March 4th, you have free time from 1 pm to 10:30 pm
user: That sounds great. I want to book tickets.

Intent: Calendar:GetAvailableTime