You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Karen Garcia want to visit Atlanta, can you book a ticket on 06/07 and 06/09?

ASSISTANT: Yes sure. Could you please share your airport codes?

USER: Sure, I want to depart from JFK and land on ATL.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no flight is available for you.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.