user_query: Please call Insabella.
response_text: Sorry, who do you wanna call?
user_query: Hold on, I actually need to call Isabella instead.
response_text: Isabella around Sunnyvale, here you go.
user_query: Will you dial up 555-111-6666 please?
response_text: Absolutely. Calling (555) 111-6666.
User: Let's buy 2 tickets through Ticketmaster to see Adele.
Parse: BuyEventTickets ( event_performer « Adele » provider « Ticketmaster » ticket_quantity « 2 » )