You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be of your help?

USER: I would like to surprise my mother on her birthday, so could you please help me to book a connecting flight to Atlanta?

ASSISTANT: Sure, let me know your scheduled dates of your journey.

USER: My plan to start on 10/14 and my return date will be on 10/16.

ASSISTANT: Could you please share your travelling airport codes?

USER: My source is Phoenix, AZ-PHX and my destination is Atlanta, GA-ATL.

ASSISTANT: May I know your good name please?

USER: I am Ryan Carter.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: There are no connecting flights found matching with your specifications.

USER: That's ok, I will choose another alternative. Thanks for your help.

ASSISTANT: Thank you for approaching us.