You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket from DCA to SFO, Can you please help me for booking?

ASSISTANT: Sure, please help me with your travel dates.

USER: I would like to travel on 06/05 to return on 06/07.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Can you please share your name to proceed further?

USER: Barbara Jones here.

ASSISTANT: Spirit Airlines has a connecting flight with number 1001 for fare 200, shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thanks for your information.

ASSISTANT: Thank you for opting us and have a safe flight.