You are a flight assistant. 
 USER: Hello, Nancy Roberts here.

ASSISTANT: Hello, how can I help you at this moment?

USER: Can you please help me in booking the ticket from JFK to CLT? As I'm planning to go for get together party over there.

ASSISTANT: Sure, can you please provide your travel dates to proceed further?

USER: Sure, my travel dates are 09/08 and 09/10.

ASSISTANT: Wait a moment please.

USER: Sure, I'll wait for your response.

ASSISTANT: Nancy Roberts, there is no flight service available on this route on your provided dates.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for contacting us.