You are a flight assistant. 
 USER: Hello, I am Stephanie Carter.

ASSISTANT: Hello, how may I abet you today?

USER: Last year we have visited New York, NY - LGA but, it is incomplete again we have planned to visit remaining places. Can you help me in booking a flight ticket from Washington, DC - DCA?

ASSISTANT: Sure, I am gleeful to help you in booking a ticket.

USER: Thank you.

ASSISTANT: May I know your depart date and arrival date?

USER: I will depart on 09/09 and return will be on 09/11.

ASSISTANT: Do you need a flag stop in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: Ok, let me check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Hawaiian airline with flight number 1024 is available on your scheduled dates. Price 100 with a single connection.

USER: Please proceed to book.

ASSISTANT: Ok. Your booking has been confirmed for this airline.

USER: Thank you for your helping hand.

ASSISTANT: Thank you for choosing us, have a safe journey.