You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a business class flight to meet my friend at Oakland, can you help me with booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travel dates are May 11 and May 13.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Please share me your source point.

USER: My source airport code is LAX.

ASSISTANT: May I know your good name?

USER: I am William King.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.