You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I help you?

USER: I need to book a ticket, for meeting my father in Las Vegas, NV - LAS and it is a round trip.

ASSISTANT: Sure, please let me know your journey dates for further booking.

USER: Ok, My journey dates are from 03/24 to 03/26.

ASSISTANT: Ok, wait for a minute, I will revert you with the availability.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight found with number 1009 and AA as airline. It also have a connection with price 100. Shall I proceed with booking?

USER: Yes, you can proceed.

ASSISTANT: May I know your good name?

USER: George Allen.

ASSISTANT: Your booking is done.

USER: Thanks for the help.

ASSISTANT: Thank you have a nice day.