You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I am Mary Adams, I am planning to visit Austin for attending my cousin birthday party over there.So, can you assist me to book a flight from Atlanta, GA - ATL?

ASSISTANT: Sure, I am happy to help you with that, can I know your destination code?

USER: Yes, my destination code is TX - AUS.

ASSISTANT: Please, may I know your preferable dates to proceed the further?

USER: My preferable dates are 03/08 and 03/10.

ASSISTANT: Please wait for a moment.

USER: Ok, sure.Please, make sure flight should have 1 connected flight.

ASSISTANT: I am sorry to say that there is no flight found on your details.

USER: Its ok, I will go with another resources to reach my destination.

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

USER: Thank you.Have a great day.