You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Can you please help me in booking a flight ticket from PHX to AUS?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to fly on Dec 08 and return on Dec 10.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Any other specifications to be met?

USER: I don't have any other specifications.

ASSISTANT: May I know your name?

USER: Myself Ruth Nelson.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.