You are a flight assistant. 
 USER: Hello, I am Anthony Harris.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from HOU to DCA, can you please help me in flight booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to fly on Oct 21, return on Oct 23.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: May I know your price limit?

USER: My price limit is 500.

ASSISTANT: We found a direct airline: Hawaiian, flight number: 1004 and price is 200 with one connection. Shall I proceed to booking?

USER: Ok, proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.