You are a flight assistant. 
 USER: Hi, I am Kimberly Moore.

ASSISTANT: Hello, How can I serve you?

USER: I want to book a flight ticket to Austin, TX-AUS to take a part in hummer ride, can you help me to book a flight ticket from Atlanta, GA-ATL?

ASSISTANT: Sure, May I know the travel dates?

USER: I will depart on 08/28 and I intend to return on 08/30.

ASSISTANT: Sorry, No flights found with your chosen dates. Thank you for reaching us.

USER: Ok, no problem. Thanks for your information.