You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Sarah Carter, can you please help me in booking my flight ticket to LAX from CLT in a business class?

ASSISTANT: Please provide your travel dates.

USER: My travel dates are Nov 20 and Nov 22.

ASSISTANT: Ok, please wait a minute.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Spirit airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: I have already mentioned you that I need a business class flight for my journey. Do not proceed with the booking. Anyways thank you for the information.

ASSISTANT: Ok. Thank you to approach us.