You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brenda Brown.

ASSISTANT: How can I help you today?

USER: Can you please reserve me a flight ticket in business class to LAX?

ASSISTANT: Sure, I am here to help you in booking process. Could you please share your travel dates?

USER: I am planning to depart on Nov 15. I will return on Nov 17 in the afternoon time.

ASSISTANT: Ok, may I know your source code?

USER: My take off airport code is AUS.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Flight 1003 in JetBlue airlines is available for you with 1 stopover and it costs you 100. Can I proceed?

USER: Is it available in business class?

ASSISTANT: No, it is an economy class.

USER: I need a flight ticket in business class, do not proceed with booking.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for reaching us.