Hi, I am Donald Allen.
user
Hello, how may I assist you?
assistant
I want to go for a round trip in my holidays to Philadelphia, PA-PHL, can you please book me a flight ticket?
user
Sure, I am happy to help you. May I know your travel dates please?
assistant
My travel dates are from 04/16 to 04/18.
user
Ok, hold on for a moment.
assistant
Ok.
user
Let me check the best flight for you. Sorry Allen, there are no flights available on your requested dates.
assistant
Ok, no issues. Thank you for giving quick response.
user
Welcome. Thank you for choosing us.
assistant