You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I have a plan to attend business meeting in AUS, can you please help me in booking a flight ticket from DFW?

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

USER: My travelling dates are Dec 14th and Dec 16th.

ASSISTANT: Do you need any break?

USER: No.

ASSISTANT: May I know your name?

USER: David Smith.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: We found a connecting flight ticket with Southwest airlines, flight number:1027.

USER: Please reserve it.

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

USER: Thank you.

ASSISTANT: Thank you for reaching us.