You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Samuel Young.

ASSISTANT: Ok.

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

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

USER: I need a halt in between my journey.

ASSISTANT: Sure, can you please mention your travelling dates?

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

ASSISTANT: Do you prefer any other specification?

USER: No.

ASSISTANT: Please wait for a while, let me check the availability of flights.

USER: Ok, sure.

ASSISTANT: We found Hawaiian airline with cost 100 and flight number is 1014 with connecting flight. Shall I proceed with the booking?

USER: Ok, please proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.