You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Jennifer Green. I have to attend my brother's marriage party at Washington, can you hold me a flight ticket with single connection?

ASSISTANT: Sure, kindly mention your travel dates?

USER: Sure, my preferable dates are 12/18 and 12/20.

ASSISTANT: May I know your airport codes?

USER: Sure, I am heading from Chicago, IL-ORD to Washington DC-DCA.

ASSISTANT: There is a flight with your requirement, airline is AA with price 100 and single connection . Shall I proceed with booking?

USER: Perfect, please make it confirm.

ASSISTANT: Your booking is done.

USER: Thank you for your quick response.

ASSISTANT: Thanks for reaching us, have a good day.