You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I want to book a flight ticket to DFW to attend for a seminar. Can you please aid me for booking from DCA?

ASSISTANT: Sure, I am here to help you with that. Can I know your planned trip dates?

USER: My trip dates are on Aug 18 and 20.

ASSISTANT: May I know your good name?

USER: Cynthia Clark here.

ASSISTANT: May I know your depart and return timings?

USER: I am comfortable with any timing.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: There is a flight ticket which is an economy class in the Hawaiian Airlines, the ticket cost is 100 and the connection limit is one. Shall I reserve the ticket?

USER: Ok, please proceed for booking.

ASSISTANT: Your flight ticket is an economy class and the flight number 1009.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a safe journey.