You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I support you today?

USER: I am looking for a flight from LGA to MSP, can you help me out in booking the flight ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My trip dates are from Sept 3rd till Sept 5th.

ASSISTANT: Do you prefer a connection in between your journey?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer to travel in business class flight.

ASSISTANT: Ok, may I know your name?

USER: Myself Richard Martinez.

ASSISTANT: Please wait, I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Sorry, there were no flights found with business class.

USER: That's ok, not an issue, Thank you for reaching us.

ASSISTANT: Thank you for approaching us.