Hello.
user
Hello, how may I help you?
assistant
I am Kathleen Perez, want to travel from PHX to DCA. Please help me.
user
Sure, may I know your trip dates please?
assistant
My travelling dates are from 12/08 to 12/10.
user
Sorry to inform you, there is no flight available as per your request.
assistant
It's ok, thank you.
user
Most welcome.
assistant