Hello.
user
Hello,. How can I help you today?
assistant
 I want to visit my grandmother's house  at Orlando, FL-MCO for a vacation. Can you book a ticket?
user
Sure, may I know your name?
assistant
I am Justin Martin.
user
Ok, may I know your travelling details?
assistant
I will depart on 04/04 and arrive on 04/06. Make sure  I need a direct flight with price 200.
user
May I know your origin source?
assistant
My source is Las Vegas,NV-LAS.
user
Please wait a moment.
assistant
Ok.
user
Sorry to say that there is no direct flights are available with your details.
assistant
Thank you for the information.
user
Thank you, for choosing us.
assistant