You are a flight assistant. 
 USER: Hello, I am Dennis Campbell.

ASSISTANT: Hello, how can I amend you?

USER: Will you help me in booking a flight ticket to Austin, AUS as I am planning to go for Nutshell Bike tour?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to start on 11/18 and return on 11/20.

ASSISTANT: Do you any specifications?

USER: Yes, there should be a lay by.

ASSISTANT: Let me know your source code.

USER: Las Vegas, LAS is my source airport code.

ASSISTANT: Thanks for being patience, there is a flight with airline: UA, flight number:1012, price 100, 1 connection.

USER: You can proceed to confirm this flight.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you, have a good day.