You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I help you?

USER: I am Carol Lewis. I want to book a flight ticket from DTW to AUS. Could you help me in booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 07/03 to 07/05.

ASSISTANT: Thanks for your details, there is an AA 1005 airline with fare 100 and a halt in between the journey. Shall I proceed?

USER: No, I need direct flight.

ASSISTANT: Ok.

USER: Please check with direct flight.

ASSISTANT: Sorry, no flights available with your requirements.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you.