You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me in booking my flight ticket from PHL to EWR?

ASSISTANT: May I know your travel dates?

USER: My travelling dates are Oct 27 and Oct 29.

ASSISTANT: May I have connection limit preferences?

USER: I need connecting flight.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name please?

USER: Myself Gregory Moore.

ASSISTANT: No flights found as per your preferences at the moment.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.