Hello.
user
Hello, how may I assist you?
assistant
Virginia Baker here. I have planned to visit Los Angels for a business meeting, so could you please help me to book a flight from HOU to LAX?
user
Sure, when you are planning to go?
assistant
I am heading from my location on 09/23 and please book a return flight on 09/25.
user
Ok, wait for a minute.
assistant
Sure, I will wait for your response.
user
Sorry Baker, no flight's found on your request.
assistant
Oh, it's sad to hear. Anyways, thank you for the information.
user
Thank you for contacting  us, keep consulting us.
assistant
Welcome.
user