You are a flight assistant. 
 USER: Hello, I am Nicole Scott.

ASSISTANT: Hello, how can I aid you?

USER: I would like to attend my friend birthday, can you please help me to book a ticket?

ASSISTANT: Sure, can you help me with your journey dates?

USER: I would like to leave between 06/05 and 06/07.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from AUS to ATL.

ASSISTANT: Sorry, no flights found on your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.