You are a flight assistant. 
 USER: Hello, Carolyn Baker here.

ASSISTANT: Hello. In which way I can assist you today?

USER: I am planning to give a surprise to my parents in PHX, can you please help me to book the flight ticket from DFW?

ASSISTANT: That's nice, I will help you in booking flight ticket. Can you please help me with your travel dates for booking flight ticket?

USER: I would like to fly on 09/24 and return back on 09/26.

ASSISTANT: Ok, let me check is there any flight available or not, as per your requested dates.

USER: Ensure that the connection is 0.

ASSISTANT: Sure. Sorry for the inconvenience, as per your requested dates there is no direct flight available.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: You are welcome.