You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I need to book a flight ticket from DCA to SFO, can you help me in booking a flight ticket?

ASSISTANT: Sure, can you share your travel dates please?

USER: Sure, my journey dates are Mar 15 and Mar 17.

ASSISTANT: May I know your good name?

USER: Sure, Brian Thompson here.

ASSISTANT: Please share your connection limit.

USER: I prefer maximum one connection.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: We found an economy class ticket in Southwest airlines with fare 200 and it is a connecting flight. Can I book your ticket?

USER: Yes, you can.

ASSISTANT: Your booking is done with flight number 1024.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.