Hello,.
user
Hello, how may I aid you?
assistant
Please book a ticket from Atlanta to Denver for science festival.
user
Sure, please help me with your travelling dates.
assistant
My travelling dates are from 11/09 to 11/11.
user
Ok, May I know your journey airport codes?
assistant
Sure. Airport codes are ATL and DEN.
user
Ok, do you need any halt in between your journey?
assistant
I prefer direct flight.
user
Ok, please wait for a while.
assistant
Ok.
user
Thank you for waiting, No flights were found with your given requirements.
assistant
Thanks for the help.
user
May I know your name?
assistant
My name is Charles Clark.
user
Ok, Thank you.
assistant