user_query: jacob bennett
response_text: Calling Jacob BENNETT.
user_query: jacob bennet
response_text: Sorry, who do you wanna call?
user_query: make a call
response_text: Who do you wanna call?
User: Please call my mom on half volume.
Parse: Initiate_call ( callee Personal_contact ( person « my mom » ) options Call_parameter_setting ( parameter « volume » value « half » ) )