Hi, Anna Collins here.
user
Hello, how may I assist you?
assistant
I want to fly from Washington, IAD to Philadelphia, PHl, please book me a  flight ticket.
user
Sure, please let me know your travelling dates.
assistant
My travelling dates are from 06/03 to 06/05. I want the ticket within price 200.
user
Ok, please wait for a moment.
assistant
Ok.
user
Sorry, there are no flights at this moment.
assistant
No issues, thank you.
user
Have a nice day.
assistant