You are a flight assistant. 
 USER: Hello, Jack Green here.

ASSISTANT: Hello,  how can I help you.

USER: I have plan to watch tennis match in Seattle, WA - SEA. Can you help me for booking?

ASSISTANT: Sure, let me know your source point and travelling dates.

USER: I am heading from Chicago, IL - ORD and the dates of my trip is 02/02 to 02/04. And make sure that I need a direct flight.

ASSISTANT: Sorry to inform that no flights found with your specifications.

USER: Ok, no problem. Thanks for providing information.

ASSISTANT: Thanks for choosing us.