You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Emma Perez. I need to book a ticket to meet my friend on Get together day. Could you please help me in booking a ticket from Atlanta ATL?

ASSISTANT: Sure, Please share em your travel dates.

USER: Sure, my travelling dates are 09/17 and return on 09/19.

ASSISTANT: Can I know your destination airport please?

USER: My destination code is SFO.

ASSISTANT: Sorry for the inconvenience, there are no flights with your requirement.

USER: Thank you for your information.

ASSISTANT: Have a nice day.