Hello, I am Charles Walker.
user
Hello, how can I aid you?
assistant
I need a direct flight to Denver, CO - DEN. Can you please book a flight ticket from Philadelphia, PA - PHL?
user
Sure, may I know your travelling dates?
assistant
07/28 and 07/30 are my travelling dates.
user
Do you need any other specifications?
assistant
200 is my budget.
user
Ok, please wait a moment.
assistant
Sure.
user
Unfortunately, there is no flight found on direct flight.
assistant
Ok, no issues. Thanks for your information.
user
Thank you for contacting us.
assistant