You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Can you share your trip dates?

USER: My travelling dates are Mar 02 and Mar 04.

ASSISTANT: Do you need any connections?

USER: I prefer single connecting flight.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Dennis Wright.

ASSISTANT: Sorry, there is no flight found with your details.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.