You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

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

ASSISTANT: Sure, can you please share your travel dates?

USER: Sure, my planned travel dates are June 17 and June 19.

ASSISTANT: May I know your connection limit?

USER: Please look for a direct flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No, thank you.

ASSISTANT: May I know your name to proceed further?

USER: Myself Nancy Moore.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

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

ASSISTANT: Thank you for contacting us.