You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from DTW to AUS, can you please help me in booking?

ASSISTANT: Sure, let me know your journey dates?

USER: My travelling dates are Dec 21 and Dec 23.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a direct flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer normal cost airline.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Jacob Martinez.

ASSISTANT: Thanks for your details, there is no flight found on your journey essentials.

USER: That's ok, thank you for your service.

ASSISTANT: Thank you for reaching us.