You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I am planning to visit Austin with my friends. Can you do the reservation?

ASSISTANT: Ok. I will help you.

USER: Thank you.

ASSISTANT: Can you please let me know your corresponding airport codes?

USER: My airport codes are PHX-AUS.

ASSISTANT: May I know on what dates you are willing to travel?

USER: My trip dates are 11/16 and 11/18.

ASSISTANT: Do you prefer any connection in between journey?

USER: I need halt in my journey.

ASSISTANT: How much you can spend for airfare?

USER: Price should not cross 500.

ASSISTANT: May I know your name please?

USER: Jessica Allen here.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that we did not find any flights matching your criteria.

USER: No problem, I will check with another airline.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the information.

ASSISTANT: Have a nice day.