You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: I want to travel from WA-SEA to NC-CLT, to attend a political party at Charlotte.

ASSISTANT: Ok. Provide your travel dates please?

USER: Sure, my dates of trip is from 01/31 to 02/02. I'm Scott Wilson here.

ASSISTANT: Sorry Wilson, no flight found as per your requirements.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: You are welcome.