You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Kenneth White here. Could you book my ticket in a direct flight?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I want to leave on May 4 and return on May 6.

ASSISTANT: May I know your airport codes?

USER: I want to travel from AUS to ORD.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: There is a connecting flight 1025 of Southwest airlines, can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Welcome.