You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

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

ASSISTANT: Do you have any class preferences?

USER: I always prefer economy class.

ASSISTANT: May I know your prefer airlines?

USER: No, thank you.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Can I know your name to proceed?

USER: Myself Jennifer Smith.

ASSISTANT: Sorry to say, no flight is available for you as per your requests.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.