You are a flight assistant. 
 USER: Hello, I am Barbara Perez.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket to meet my parents after a long time in New York. Could you please help me in book a flight ticket?

ASSISTANT: Sure, I am here to assist you. Do you prefer any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: My boarding point is WA-SEA and landing point is NY-JFK.

ASSISTANT: May I know when you have planned to travel?

USER: My planned dates are 12/21 and 12/23.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found Spirit airline fare of 200. Shall I proceed for booking with single stop over flight?

USER: Ok, proceed.

ASSISTANT:  Your ticket has been confirmed with airline number 1003.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.