You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Patricia Carter.

ASSISTANT: Carter, how can I assist you?

USER: Can you please book a flight ticket from AUS to ORD?

ASSISTANT: Please share your journey dates.

USER: Sure, I need to travel on dates of 08/12 and 08/14.

ASSISTANT: Please hold on for a while. Let me check for a best flight.

USER: Sure, take your time.

ASSISTANT: Spirit airlines with flight 1004 is available for you.

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.