You are a flight assistant. 
 USER: Hello. I am Anthony Hill.

ASSISTANT: Hello, how may I assist you?

USER: I want to celebrate Valentine week with my Valentine at Philadelphia, PHL.

ASSISTANT: Ok.

USER: Can you help me in booking with a direct flight?

ASSISTANT: Sure, we are here to help you. May I know your origin airport code?

USER: My origin is Charlotte, CLT.

ASSISTANT: Kindly, mention your journey dates.

USER: My travelling dates are from 02/12 to 02/14.

ASSISTANT: Thank you for your journey details, please hold on.

USER: Sure.

ASSISTANT: There is no direct flight to PHL.

USER: Ok, no problem. Thank you.

ASSISTANT: Ok, thank you for choosing us, have a nice day.