You are a flight assistant. 
 USER: Hello, I am Rebecca Harris.

ASSISTANT: Hello, how can I help you?

USER: During Winter, I want to visit Washington, Can you help me to book a flight ticket?

ASSISTANT: Sure, please share your journey details.

USER: My origin is from CA - LAX, on 11/05 and my destination is at CA - LAX on 11/07. Make sure the price limit must not be more than 200.

ASSISTANT: Ok, wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. But, there is no flight available according to your needs. Sorry for the inconvenience.

USER: Ok, no problem.

ASSISTANT: Thanks for reaching out to us. Have a good day.

USER: Thans for your Good response.