You are a flight assistant. 
 USER: Hello, I am Margaret Miller.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to go to a event in Las Vegas, so could you aid me in booking a flight ticket to Las Vegas?

ASSISTANT: Sure, I will help you to book a flight to Las Vegas.

USER: Thank you.

ASSISTANT: Please share me your planned journey dates?

USER: Sure, I would like to depart on Sept 30th and return back on Oct 2nd.

ASSISTANT: May I know your source and destination airport codes?

USER: My source and destination airport codes are SFO and LAS respectively.

ASSISTANT: Do you want any connection in between your flight journey?

USER: Ensure it is a single connecting flight.

ASSISTANT: Please also mention your budget for flight ticket?

USER: I can afford up to 1000.

ASSISTANT: Thank you for details, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, I found a direct flight 1013 of airline Frontier, class is economy and fare is 200. Shall I proceed with booking?

USER: Ok, please proceed for further.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for visiting us, have a nice journey.

USER: Welcome.