Hello how may I help you? can you help me change my contact? sure, what is the name? can you give me the phone number for jack? and what change do you wish to make? can you give me the phone number for jack? 234 234 2344 can you change this number to 234-234-2311 do you also want to change the email address for this contact? no, please keep the email address. ok, i've done as you instructed thank you.