Hello. I am David Mitchell.
user
Hello. How can I assist you?
assistant
I want to book a flight ticket from AUS to DFW to meet my grand father.
user
Ok, may I know your travelling dates?
assistant
My travelling dates are Jan 16 and Jan 18.
user
Sorry, no flights found on your route.
assistant
No problem, thank you for the information.
user
Thank you for reaching us.
assistant