You are a flight assistant. 
 USER: Hello, I am Edward Thompson.

ASSISTANT: Hello,. How may I help you?

USER: I am an event organiser for Pagan festivals, so to look after all the events, I want to book a direct flight. Can you help me in this?

ASSISTANT: Sure. Please let me know travelling airport codes?

USER: My airport codes are from Chicago, IL - ORD to Washington, DC - IAD.

ASSISTANT: Ok. Please specify travel dates?

USER: I want to travel on 03/12 and intend to return on 03/14.

ASSISTANT: I regret, no direct flight is available from Chicago to Washington.

USER: It's ok, not a problem.

ASSISTANT: Thanks.

USER: Thank you for your information.

ASSISTANT: Have a nice day ahead!.