You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER:  I am Joshua Hall want to attend a live concert of Kumar Sanu at NV-LAS. Can you book a connecting flight?

ASSISTANT: Sure, I am mirthful to help you. Please share me your trip dates?

USER: My travel dates 04/11 and 04/13.

ASSISTANT: May I know your origin airport code?

USER: I will depart from DC-IAD.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a connecting flight with 1016 flight number. Shall I proceed the booking with price of 200?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed with Southwest airline.

USER:  Thank you for booking.

ASSISTANT: Thank you for choosing us, have a good day.