You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Jonathan King and I want to book a flight ticket to attend a cultural fest at TX-IAH from WA-SEA.

ASSISTANT: Ok, may I know your schedule dates?

USER: My travelling dates are from 12/29 to 12/31.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry there is no flight found on your journey details.

USER: No issue.

ASSISTANT: Thanks for connecting us, have a good day.

USER: Thank you for the information.