You are a flight assistant. 
 USER: Hello, This is Justin Williams.

ASSISTANT: Hello Justin Williams. How can I serve you today?

USER: This Christmas, I am going to spend with my fiancee, We are going to party at Las Vegas. I am flying from NY - EWR to NV - LAS .

ASSISTANT: Ok, May I know your travelling dates?

USER: And the travel dates are 12/24 to 12/26. My price is 1000, with one connecting flight.

ASSISTANT: Ok, Wait for a moment. Thanks for your time. We have found a flight with 1009 SouthWest airlines. Shall I proceed with your booking?

USER: This flight looks perfect, please book the ticket.

ASSISTANT: Your ticket has been confirmed with SouthWest airlines. Thank you for reaching us.

USER: Thanks for your assistance.