You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brandon Martin.

ASSISTANT: How may I assist you now?

USER: Can you please help me in flight ticket booking process from DTW to AUS?

ASSISTANT: Sure, I am glad to help you with that. Can you please mention your travelling dates?

USER: Thank you for your response, I want to take off on Feb 17 and book my return ticket also on Feb 19.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I want to return in afternoon time.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need 1 break in between my journey.

ASSISTANT: Any airline preference do you have?

USER: I want to travel in normal cost flight so please check with that.

ASSISTANT: Please be on hold to check the flights. We are apologize that, there are no flights running towards your region with your requested dates of travelling.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.