Hello.
user
Hello. How can I aid you?
assistant
I am Gary Thompson. I am planning to visit PHX to meet my father, can you please find a flight from  MCO?
user
Sure, may I know your planned travel dates?
assistant
My travelling dates are Mar 27 and Mar 29.
user
Do you have class preference?
assistant
I prefer economy class flight. I have changed my plans to business class flight, please check the availability.
user
Sorry, there are no flights are available for your desired dates.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant