Hello.
user
Hello, how may I help you?
assistant
I would like to visit Charlotte to meet my sister, please help me in booking a ticket from DCA to CLT.
user
Sure, may I know your trip dates please?
assistant
My planned trip dates are on Apr 8 and Apr 10.
user
Do you have any other requirements?
assistant
I would like to return in the evening.
user
Can I know your name please?
assistant
My name is Jennifer Hall.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
Ok, no issues. Thank you for your information.
user
Most welcome.
assistant