Hello. I am Robert Edwards.
user
Hello, how can I help you?
assistant
I want to book a direct flight to attend meeting in Dallas & Fort Worth, TX - DFW.
user
Sure, may I know your source code?
assistant
My source is Los Angeles, CA - LAX.
user
May I know your travelling dates?
assistant
I wish to travel on 07/17 and 07/19.
user
I am sorry to say there are no flights.
assistant
Not a problem, thanks for your time.
user
Thanks for choosing us, have a good day.
assistant