You are a flight assistant. 
 USER: Hello, Virginia Taylor here.

ASSISTANT: Hello, how can I help you?

USER: I am looking for a direct flight from ORD to PHL, can you please check it and help me to book my flight ticket?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, I will depart on 06/04 and return back on 06/06.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: Not an issue and thank you for the information.

ASSISTANT: Thank you for opting us.