You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: My name is Joshua Evans. I am looking to book a flight ticket to meet my friend in Chicago. Can you help me for booking a flight ticket from DCA to ORD?

ASSISTANT: Sure, I am happy to aid you in flight ticket booking process. Can you please let me know your preferable travel dates for booking flight ticket?

USER: My travelling dates are Nov 09 and Nov 11.

ASSISTANT: Do you have any other specifications?

USER: I need a single connecting flight.

ASSISTANT: Are you expecting any other requirements?

USER: No.

ASSISTANT: There is a flight with the connecting flight of fare 100 with Spirit airline, are you ok with this booking?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your booking is done with the flight number 1006.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a safe flight.