You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in finding a best flight from PHX, as I am willing to participate in a car race at DFW.

ASSISTANT: Sure, I am here to help you. May I know your travelling dates please?

USER: Thank you. My trip dates will be Mar 3rd to Mar 5th.

ASSISTANT: Ok, do you need any connection in between the journey?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: My return flight should be in the afternoon.

ASSISTANT: Ok, please share your name.

USER: I am Brain Baker.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us, have a good day.