You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from JFK to EWR, can you help me in booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my planned travel dates are Oct 19 and Oct 21.

ASSISTANT: May I know your connection limit?

USER: Please look for a connecting flight.

ASSISTANT: Is there any class preference for you?

USER: No, thank you.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Your good name please.

USER: Myself Debra Green.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.