Hello how may I help you? I want to change my dentist's contact to Mrs. Hill. Okay, no problem. Have you finished doing so? Done anything else? Okay, now I want to sort my contacts in alphabetical order by last name. Okay, it will take me just a moment. Done. I want to add my doctor's phone number. It's 123-456-7890. Okay, what is his name It's Mr. Park. Mr. Parks contact is updated.