You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: Will you help me in booking the flight ticket from ORD to IAD?

ASSISTANT: Sure, let me know your travel dates?

USER: My travelling dates are Feb 08 and Feb 10.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a flight with single connection.

ASSISTANT: Is there any other specifications?

USER: No, thank you for asking.

ASSISTANT: May I know your good name?

USER: Myself Jessica Jackson.

ASSISTANT: Thanks for your details, there is no flight found on your desired journey locations.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.