Hello.
user
Hello, how may I aid you?
assistant
Myself Christopher Anderson, will you help me in booking the flight  ticket from MCO to SFO?
user
Sure, may I know your planned dates of travel?
assistant
My travelling dates are June 20 and June 22.
user
Do you have any specifications?
assistant
My depart time must be in evening.
user
Ok, please wait a moment.
assistant
Ok, I will wait for your response.
user
Sorry, there were no flights found on your preferred dates.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you.
assistant