You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a ticket from OAK to MSP.

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: My travelling dates are from Sept, 7 to Sept, 9.

ASSISTANT: Do you need any break?

USER: I prefer connecting flight.

ASSISTANT: May I know your name?

USER: My name is Gary Walker.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: We found a direct  flight with an Southwest airlines, flight number:1000.

USER: Please book a flight.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.