You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to attend a Seminar in Minneapolis. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Nov 10 and Nov 12.

ASSISTANT: Where would you like to leave?

USER: My airport codes are PHX and MSP.

ASSISTANT: Please share me your name.

USER: My name is Paul Wilson.

ASSISTANT: Do you need any lay by in between journey?

USER: Yes, I need single connecting flight.

ASSISTANT: Which class do you prefer either business class or economy class?

USER: I want to travel in business class.

ASSISTANT: Ok, Is there any other specifications for you?

USER: No.

ASSISTANT: Thanks for your details, there is no flight at this moment.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you.