Hello.
user
Hello. How may I help you?
assistant
Can you please help me in booking a flight ticket from DFW to DEN?
user
Sure, may I know your trip dates?
assistant
I would like to depart on July 30 and return on Aug 01.
user
Do you have any other requirements?
assistant
I prefer only direct flight for my journey.
user
Ok, may I know your name please?
assistant
Myself Robert Harris.
user
Sorry Robert, there is no flight available on these dates.
assistant
It's ok, thank you for sharing the information.
user
Most welcome.
assistant