You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a direct flight to attend a business meeting with my colleagues, can you help me with booking?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are June 06 and June 08.

ASSISTANT: May I know your airport codes?

USER: I will fly from AUS to reach DTW.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: May I know your name?

USER: I am Nicholas Phillips.

ASSISTANT: Sorry, there are no flight found with your given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.