You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: Please help me to book a flight ticket from Minneapolis to attend a client meeting in Oakland.

ASSISTANT: Ok, may I know your planned dates for this journey?

USER: I intend to start my journey on Feb 5th and my return date will be on Feb 7th.

ASSISTANT: May I know your connection preference?

USER: I prefer to fly with the connecting flight for this time.

ASSISTANT: Do you need any other requirements?

USER: I want to fly with the business class ticket.

ASSISTANT: Please share your name.

USER: I am Matthew Collins.

ASSISTANT: I am very sorry to tell you, but there are no flights available for your journey.

USER: That's ok, I'll choose any alternative to reach my destination.

ASSISTANT: Matthew Collins, thank you fo choosing us.

USER: Thank you for your information.

ASSISTANT: Have a nice day.