You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jonathan Martinez.

ASSISTANT: How can I assist you?

USER: I would like to take flight from AUS to ATL, can you help me?

ASSISTANT: Sure, can you please provide me your journey dates?

USER: Ok, my trip dates are from 08/29 and 08/31.

ASSISTANT: Sorry, there are no flights found on your preferable dates.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for reaching us, have a nice day.