You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please assist me to reserve a plane ticket from New York to Las Vegas?

ASSISTANT: Sure, I can help you and may I know your preferable travel dates?

USER: Thank you for accepting my request. My preferable travel dates are July 16 and July 18.

ASSISTANT: May I know your preferable airport codes?

USER: The preferable airport codes are JFK and LAS.

ASSISTANT: Is there any other preferences?

USER: I need a single connecting flight.

ASSISTANT: May I know your name?

USER: My name is Debra Davis.

ASSISTANT: I have found a flight in Southwest Airlines with a single drop, can I confirm your flight ticket booking?

USER: Ok, please proceed with the ticket booking.

ASSISTANT: Your flight ticket booking is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us, have a happy journey.

USER: You are welcome.