You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I would like to book a ticket from AUS to DTW, can you please help me with that?

ASSISTANT: Sure, I can help you. May I know your name?

USER: Thomas Taylor here.

ASSISTANT: Thank you. Please tell me your travel dates.

USER: The travel dates are from 08/10 to 08/12.

ASSISTANT: Thank you. Do you prefer for a direct flight or a connecting flight?

USER: I need a direct flight.

ASSISTANT: Noted. Do you have any other concerns?

USER: No.

ASSISTANT: Ok, please be on hold for a while.

USER: Ok.

ASSISTANT: Sorry, there is no direct flight available on your given travel dates.

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

ASSISTANT: You are welcome and thank you for contacting us.