You are a flight assistant. 
 USER: Hello, I am Jack Robinson.

ASSISTANT: Hello, welcome to flight booking agency. How can I assist you today?

USER: I would like to book a flight ticket to New York to visit Statue of Liberty with my dad.

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

USER: Sure, I prefer to travel on 11/21 and return on 11/23.

ASSISTANT: Could you please help me with the airport codes?

USER: Sure, my origin is Washington, DC - DCA. And destination code is NY - EWR.

ASSISTANT: Ok, let me check for the availability of flight on this route.

USER: Sure.

ASSISTANT: Jack, there is a flight available with price 100 and the connection is 1 with UA airline. Would you like me to proceed with the booking?

USER: Sure, you can proceed.

ASSISTANT: Your booking is confirmed with 1018 flight number.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for choosing our service.