You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me with booking my holiday trip ticket from SFO to CLT?

ASSISTANT: Sure, can I know the trip dates please?

USER: My journey dates are from Nov 21 to Nov 23.

ASSISTANT: May I know your name please?

USER: My name is Alexander White.

ASSISTANT: Do you have any requirements?

USER: I need 1 connection flight.

ASSISTANT: Ok, wait a moment please.

USER: I was looking for a business class flight.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Oh! That's fine. Thank you for checking.

ASSISTANT: Thank you for approaching us.

USER: Welcome.