You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am planning to visit my cousin's home to attend a birthday party. Can you please help me out to book a ticket from DTW to AUS?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Ok, my planned dates are from Apr 26 to 28.

ASSISTANT: May I know your departure time and arrival time?

USER: I would like to return in the morning time.

ASSISTANT: Do you have any other requirements to be met?

USER: I need a connecting flight.

ASSISTANT: Can I have your name please?

USER: Sure, I am Kathleen Mitchell.

ASSISTANT: Sorry to inform you that unfortunately there is no flights available by the given details.

USER: That's ok, thank you.

ASSISTANT: Thank you.