You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from MSP to PHL. Can you please help me in that?

ASSISTANT: Please share your trip dates.

USER: My trip dates are Apr 20 to Apr 22.

ASSISTANT: Do you need any connection limit?

USER: I need a connecting flight.

ASSISTANT: Can I know your class preference?

USER: I want to fly in business class.

ASSISTANT: May I know your name?

USER: Myself Janet Phillips.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: There are no flights available on your routes.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.