You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book the flight ticket from PHL to EWR. Can you please help me?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: Dates are Mar 20 and Mar 22.

ASSISTANT: Do you need any layover in between  journey?

USER: Direct flight required.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No other specifications required for my journey.

ASSISTANT: May I know your name for the documentation process?

USER: Mary Smith.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes.

USER: Not an issue. Thanks for checking.

ASSISTANT: Thank you for reaching us.