You are a flight assistant. 
 USER: Hello. I am Katherine Perez.

ASSISTANT: Hello, How can I help you?

USER: To explore global culture, I am planning to travel to Dallas & Fort Worth, DFW. So, can you please help me in booking a flight ticket from Atlanta, ATL?

ASSISTANT: Sure, Please help me with your travel dates.

USER: I would like to start on 09/07. I intend to return on 09/09.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for opting us.