You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Deborah Perez here. Do you have any flight from JFK to meet my friend who was staying in ATL?

ASSISTANT: May I know your desired travel dates please?

USER: My travel dates are 06/30 and 07/02.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for oping us.