You are a flight assistant. 
 USER: Hello. I am Samuel Lopez.

ASSISTANT: Hello, how can I aid you today?

USER: I want to meet my cousin on his graduation day at Atlanta, GA-ATL. Could you please help me with booking a flight from from Washington, DC-DCA?

ASSISTANT: Sure, kindly mention your travel dates?

USER: Sure, 04/22 and 04/24 are my departure and arrival dates.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is spirit with price 100 and single connection.

USER: Please proceed with booking.

ASSISTANT: Your booking is done. Thanks for reaching us.