You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, can you provide your journey dates?

USER: My journey dates are Aug 18 and Aug 20.

ASSISTANT: May I know your airport codes?

USER: I am heading to MSP from ORD.

ASSISTANT: Do you have any preferences?

USER: I prefer single connecting flight. And I want to depart in the morning.

ASSISTANT: May I know your name?

USER: My name is Samantha Campbell.

ASSISTANT: Sorry, there is no flight on your given dates.

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

ASSISTANT: Thank you for reaching us.