Hi.
user
Hello. How can I assist you?
assistant
I am Dorothy Clark, can you help me to book a flight from LAX?
user
May I know your travelling  dates?
assistant
My dates are 10/21 and 10/23. My destination is MCO. Please search a direct flight.
user
Sorry, there is no flight available under your request.
assistant
Ok.
user
Thank you for reaching us.
assistant
Thank you for your time.
user
You are welcome.
assistant