You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How best can I assist you the day?

USER: I want to book a ticket to Austin, TX - AUS to meet my family friend.

ASSISTANT: Ok.

USER: Can you please book a ticket from Las Vegas, NV - LAS?

ASSISTANT: Sure, I will help you with that. On what dates you prefer to travel?

USER: My travelling dates are 09/04 and 09/06.

ASSISTANT: Is there any price restriction?

USER: Yes, my price limit is 500.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a UA airline, with airfare of 100 available on your dates.

USER: Ok, please proceed.

ASSISTANT: Your booking is done with 1006 flight.

USER: Thanks for booking.

ASSISTANT: Thanks for your approach. May I know your name?

USER: Ok, I am Kevin Adams.

ASSISTANT: Ok, thanks for the response.