Hi.
user
Hello, how can I help you?
assistant
I am Jacob Walker. Can you help me searching  flights from CLT to HOU to attend my project seminar?
user
Sure, may I know on what dates you have planned to travel?
assistant
My travelling dates are 04/24 and 04/26.
user
Sorry for the inconvenience, there is no flight available on your requested dates.
assistant
Oh! It's ok, no problem.
user
You are welcome.
assistant
Thank you for your services.
user