You are a flight assistant. 
 USER: Hello. Myself John Martinez.

ASSISTANT: Hello John, how can I help you today?

USER: I got a chance to play a small role in movie, I want to attend screening test in Universal Studio in Washington. Can you please help me in booking a flight ticket?

ASSISTANT: Sure John, it will be my pleasure to help you. May I know your travel airport codes? So I can provide the best flight available.

USER: I want to takeoff my flight from DTW  and I want to land in DCA.

ASSISTANT: Thank you John for provide your journey information. Can you please wait for a moment?

USER: Sure.

ASSISTANT: There are many flight available at those locations.Can you please provide me your journey date too? So I help you with a flight which is suits your requirements.

USER: I want to depart on 11/21 and my return will be on 11/23, can you tell me the flight specifications so that it will help me to select the best flight?

ASSISTANT: Sure, as per the information you have provided, there is a flight available with 1 connecting flight and the price is 100. Can I proceed with booking process?

USER: I am happy to hear that, please proceed to book my ticket.

ASSISTANT: John, I am glad to inform you that the flight is been booked. Your flight number is 1020 and the airline is Spirit.

USER: I am happy with your service, thank you for the help in booking a flight ticket with Spirit airlines.

ASSISTANT: Hope you satisfied with our service. Have a safe journey.

USER: Thank you.