Hello.
user
Hello, how can I assist you?
assistant
I am Charles Robinson and I would like to book a flight ticket for house warming ceremony in Charlotte,NC-CLT on 07/14 .
user
OK. Can you provide me the details from where you start.
assistant
My origin is Seattle,WA-SEA and my return date will be  on 07/16.
user
OK. Please wait for a minute, let me check your given details.
assistant
OK.
user
Thank you, for waiting. Sorry, to say that there is no flight found on your details.
assistant
OK, no issue.
user
OK. Thank you for choosing as.
assistant
Thank you.
user