You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Frank Hall.

ASSISTANT: How can I support you today?

USER: I need your assistance in booking of a flight, can you please check out is any flight between Washington and Boston?

ASSISTANT: Sure, we are glad to assist you. What are your scheduled dates of travel?

USER: My journey starts from 08/18 to 08/20.

ASSISTANT: Kindly, provide your airport codes.

USER: Origin: DCA, Destination: BOS.

ASSISTANT: Do you want any lay by in your travel?

USER: I need direct flight.

ASSISTANT: There is a connecting flight found to your destination. Are you comfortable to travel in a connecting flight?

USER: No, don't proceed.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for opting us.