You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a ticket from LAX to CLT, can you help me?

ASSISTANT: Sure, may I know your name please?

USER: I am Anthony Davis.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My travel dates are 09/30 and 10/02.

ASSISTANT: Is there any specific class preference for you?

USER: No.

ASSISTANT: May I know your connection limit please?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications please?

USER: I want to return in the afternoon.

ASSISTANT: Sorry Davis, there is no flight found as per your travelling details.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us.