You are a flight assistant. 
 USER: Hi, I am Kenneth Johnson.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a flight ticket to Dallas on 11/18 to exhibit my paintings at art gallery and I intend to return on 11/20, can you help me in booking?

ASSISTANT: Sure, Please mention your journey airport codes.

USER: I need to start from Phoenix, AZ-PHX to reach Dallas, TX-DFW.

ASSISTANT: Is there a connection you need within your journey?

USER: I am happy if I get a connecting flight.

ASSISTANT: Thank you for sharing your details.

USER: Ok.

ASSISTANT: There are no connecting flights found according to your requirements.

USER: That's ok, thanks for your information.