Query: user: I am interested in attending a Concert. I am open to any type.
assistant: Where would you like me to search?
user: I will be in SD.
assistant: There are 10 events that might interest you. Would you like to attend Alejandro Sanz at Cal Coast Credit Union Amphitheater?
user: That would be wonderful. I'd like to purchase 3 tickets to the event.
assistant: I can do that for you. When would you be attending?
user: I'd like to go to the March 4th show. I need four tickets instead of 3.

Intent: Events:BuyEventTickets