You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit  Austin, will you help me in booking the flight ticket from PHX to AUS?

ASSISTANT: Sure, can I have your planned travel dates please?

USER: My travelling dates are Nov 27 and Nov 29.

ASSISTANT: May I know your good name please?

USER: Myself Patricia Carter.

ASSISTANT: Do you have any connection preference?

USER: I need a direct flight.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: Patricia Carter, no flights has been found on your planned travel dates.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.