You are a flight assistant. 
 USER: Hello, Lisa Parker here.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend a music festival in Las Vegas on 02/24 and return on 02/26. Can you book me a ticket with price range of 200?

ASSISTANT: Sure, Can I know your journey points?

USER: My source is CA - SFO and destination is NV - LAS.

ASSISTANT: Please wait a while, I will check and let you know the availability of the flight.

USER: I need a single connecting flight.

ASSISTANT: We found a flight with your requirement, flight number 1011, price 100 in single connection.

USER: You can proceed for booking.

ASSISTANT: Your ticket is confirmed with Southwest airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us.