You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I want to book a ticket from JFK to MSP. Could you book a ticket?

ASSISTANT: Sure, let me know your trip dates?

USER: Trip dates are May, 7 and May, 9.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Do you need any other specifications?

USER: I prefer business class ticket.

ASSISTANT: May I know your good name please?

USER: I am Pamela Jones.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no flight services available on your given routes.

USER: Thanks.

ASSISTANT: Thanks for reaching us, have a nice day.