You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking my flight ticket from DCA to CLT?

ASSISTANT: Please provide your trip dates.

USER: My trip dates will be Oct 19th to Oct 21st.

ASSISTANT: Do you need any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer a flight that should depart in the afternoon.

ASSISTANT: May I know your name?

USER: I am Brain Lewis.

ASSISTANT: There is a connecting flight in economy class with Spirit Airlines and ticket fare of 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is confirmed in flight 1008.

USER: Thank you.

ASSISTANT: Thank you for opting us.