You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please search a flight ticket from PHL to AUS?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My trip dates are 07/20 and 07/22.

ASSISTANT: May I know your name to proceed further?

USER: Myself Anthony Garcia.

ASSISTANT: Sorry, there is no flight with your preferred dates.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for reaching us.