Hello, I am Gary Edwards.
user
Hello, how may I assist you?
assistant
Can you help me in booking  a ticket from ORD to PHL?
user
Sure, may I know your travel dates please?
assistant
I am planning to start on 01/08 and return back on 01/10.
user
Ok, hold on for a moment. Let me check the best flight for you.
assistant
Take your time.
user
Sorry Gary, there are no flights available on your requested dates.
assistant
No issues. Thank you for checking.
user
Welcome.
assistant
You are welcome.
user