You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I would like to attend my cousin's wedding on Columbus day. So can you book a ticket from Las Vegas, NV - LAS?

ASSISTANT: Sure, Please provide me your destination point?

USER: My destination point is New York, NV - LGA.

ASSISTANT: May I know your travelling dates?

USER: Sure, I want to start on 10/08 and return on 10/10.

ASSISTANT: To book a flight ticket. May I know your name please?

USER: Sure, I am Richard Green.

ASSISTANT: Please wait for sometime, I will check and revert to you.

USER: OK.

ASSISTANT: We found a flight on your matching preferences with price 100. Flight number:1003,airline:Southwest. Shall I proceed for booking?

USER: Ok, please proceed to booking.

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

USER: Thanks a lot for your help.