user_query: no, call the second one
response_text: Sorry, who do you wanna call?
user_query: call the first one
response_text: Calling AT&T Store
user_query: call AT&T
response_text: I found several choices. Which do you want?
User: Show Spectrum bill in text format.
Parse: Get_bill ( account_provider « Spectrum » document_format « text » )