You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Steven Nelson here.

ASSISTANT: How may I aid you today?

USER: I want to travel from AUS to PHX for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, will you please mention your planned dates of travelling?

USER: My travelling dates are from 10/01 to 10/03.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok, I will wait.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling.

USER: Anyway, thanks for the information.

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