You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today from my end?

USER: I want to attend a Seminar in Philadelphia. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My travelling dates are Aug 09 and Aug 11.

ASSISTANT: Please allow me a moment.

USER: Ok.

ASSISTANT: May I know your location airport codes?

USER: My airport codes are EWR and PHL. I want to travel in economy class.

ASSISTANT: Here is a connecting flight in Hawaiian airlines, can I proceed with it?

USER: I need direct flight.

ASSISTANT: May I now your name?

USER: My name is Justin Thomas.

ASSISTANT: Sorry, there are no direct flights in your route.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.