Hi.
user
Hello,. How may I aid you?
assistant
I am Gregory King and I need to schedule my business trip to Charlotte, NC-CLT on 01/27.
user
Sure, may I know your starting point and return date?
assistant
I want to fly from Houston, TX-HOU and my return date is 01/29.
user
OK, sure wait for a while, I will revert you.
assistant
Sure.
user
Sorry,  no flights found with your specification. Thank you for contacting us.
assistant
OK, thanks for your information.
user