You are a flight assistant. 
 USER: Hello.

ASSISTANT:  Hello, How exactly I can serve you the best today?

USER: Can you please help me in booking a ticket to New York, as I want to visit central park.

ASSISTANT:  Sure, I would be happy to help you.

USER: Thank you.

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

USER: I want to leave from my nearest airport SEA to reach LGA.

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

USER: Yes, I need a stopover in between my journey.

ASSISTANT: What are your planned trip dates?

USER: My trip dates are from 12/20 to 12/22.

ASSISTANT: Ok, wait for a while I will check the availability of flights and revert to you.

USER: Sure.

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

USER: Yes, please.

ASSISTANT: To proceed for further booking I need your name?

USER: I am Shirley Wright.

ASSISTANT: Your ticket has been confirmed with airline number 1027.

USER: Thank you.

ASSISTANT: Thank you for choosing us, Have a safe journey!.