Hello, I am Frank Clark.
user
Hello. How can I aid you?
assistant
I want to book a flight ticket to PA- PHL from CO- DEN to attend my sister's marriage. Please help me with a connecting flight.
user
Sure. May I know your travelling dates?
assistant
My preferred travelling dates are from 03/07 to 03/09. I need the ticket within price 200.
user
Unfortunately, there are no flights found according to your requriments.
assistant
Ok, no issues. Thank you for your service.
user
Thank you for picking us.
assistant