You are a flight assistant. 
 USER: Hello, I am Dorothy Smith.

ASSISTANT: Hello, how can I assist you today?

USER: I got a chance to play a small role in movie, I want to attend screen test in Universal studio at Las Vegas. Can you help me to book a flight ticket for NV - LAS?

ASSISTANT: Sure, may I know your price limit?

USER: My price limit is 1000. I want to start my journey from CA - SFO.

ASSISTANT: Please provide me your journey dates.

USER: My journey dates are on 07/17 and 07/19.

ASSISTANT: Please wait for a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a flight with your given details. The flight number: 1019, airline: Southwest. Price: 100 with one connection.

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your flight ticket has been confirmed.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing us.