You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Brian Collins, can you help me to book a flight ticket from ATL to AUS?

ASSISTANT: Ok, please provide your travel dates?

USER: Ok, my travel dates are 10/29 and 10/31 respectively.

ASSISTANT: Sorry Brain, here there is no flight available for your desired dates.

USER: Ok, my journey can be postponed and the booking I can do next month. Thank you for the information.

ASSISTANT: Thank you for reaching us.