user_query: Sebastian
response_text: Calling Sebastian PHILLIPS.
user_query: calling Sebastian 
response_text: Sorry, who do you wanna call?
user_query: make a phone call
response_text: Who do you wanna call?
User: Add the number 555-1234 under Jake's work phone no Jake's mobile phone.
Parse: Add_contact ( contact « Jake » label « mobile » phone_number « 555-1234 » )