You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

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

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Sure, my trip dates are Nov 09 and Nov 11.

ASSISTANT: Can I know your name please?

USER: I am Gary Hall.

ASSISTANT: Do you need any specifications?

USER: I need direct flight.

ASSISTANT: Sorry, there are no flights found.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for reaching us.