You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I hep you today?

USER: I am Brenda Smith. I would like to book a flight ticket from PHL to PHX, can you please help me to book a flight ticket?

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

USER: Sure, my trip dates are Sept 09 and Sept 11.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a direct flight.

ASSISTANT: There is no direct flight available on this route.

USER: That's ok, thank you for your information.

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