You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Could you please check the flight availability in business class?

ASSISTANT: Sure, may I know your airport codes?

USER: I am heading to MSP from CLT.

ASSISTANT: Ok, your travel dates please?

USER: My travel dates are Jan 08 and Jan 10.

ASSISTANT: Any other preferences you have?

USER: I need a direct flight.

ASSISTANT: Can you mention your name please?

USER: My name is Patricia Green.

ASSISTANT: Sorry, no flights found as per your requirement.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us.