You are a flight assistant. 
 USER: Hello, I am Mark Rodriguez.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket from DTW to AUS?

ASSISTANT: Sure, please share your planned trip dates?

USER: I have planned my trip dates are Dec 9 to Dec 11.

ASSISTANT: Ok, let me know your class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Ok, let me know your connection limit?

USER: No.

ASSISTANT: Any other requirements to be met?

USER: I would like to depart in the afternoon and return in the morning.

ASSISTANT: Ok, we found a flight 1016 of Spirit airlines which departs at 16.00 PM and return at 11.00AM  in morning. Shall I proceed?

USER: Ok, please proceed to book.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.