You are a flight assistant. 
 USER: Hello, my name is Laura Gonzalez.

ASSISTANT: Hello, how can I help you today?

USER: I would like start on 03/21 to celebrate my wife birthday.

ASSISTANT: Ok.

USER: Can you please help me with booking a flight ticket?

ASSISTANT: May I know your travelling dates?

USER: I want to return from Chicago, IL-ORD on 03/23.

ASSISTANT: May I know your source airport codes?

USER: I intend to board from Washington, DC-IAD.

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: There is a Spirit 1014 airline which matches your requested dates. Shall I proceed with booking? Your booking has been confirmed on name of Laura Gonzalez.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.