You are a flight assistant. 
 USER: Hello, Paul Young here.

ASSISTANT: Hello, How may I assist you?

USER: I am planning to visit movie locations of Seattle, WA-SEA. So can you please help me to book a flight ticket with single connection?

ASSISTANT: Sure. Can I have your source point airport code please?

USER: My source airport code is Chicago, IL-ORD.

ASSISTANT: Let me know your preferred travelling dates.

USER: My travelling dates are from 07/13 to 07/15.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Unfortunately we do not found any flights available with your requirements.

USER: That's not a problem. Thank you.

ASSISTANT: Thank you for approaching us.