You are a flight assistant. 
 USER: Hello, I am Kathleen Turner.

ASSISTANT: Hello, how can I aid you?

USER: Could you please help me in booking flight ticket to Washington on 01/14 and return on 01/16?

ASSISTANT: Sure, can you help me with your airport codes?

USER: I want to start from Oakland, CA-OAK to Washington, DC-DCA.

ASSISTANT: A flight with price 200 having single connection is found in 1005 Hawaiian airline. Shall I proceed with it?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.