You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of service your looking for?

USER: I am looking for a flight which departs from my home town MSP in morning. Can you please help me to make a reservation?

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are on Aug 11 and 13.

ASSISTANT: May I know your destination airport code?

USER: Sure, it is JFK.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: My name is Eric Green.

ASSISTANT: May I know your class preferences?

USER: No, I am fine with any class.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for reaching us.