You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I would like to book a flight ticket to Washington, DC-IAD to watch a national football match in arena, could you help me in booking?

ASSISTANT: Sure, we will help you. Please provide your name.

USER: I am Timothy Adams.

ASSISTANT: May I know your journey dates?

USER: I want to fly on 04/03 and return on 04/05.

ASSISTANT: Please share your source airport code.

USER: My boarding point is from New York, NY - EWR.

ASSISTANT: We do not found any flight as on your request.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for choosing us.