You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to find a flight from PHL to EWR airport?

ASSISTANT: Sure, I am here to help you. May I know your planned trip dates?

USER: I will travel on Oct 25 and return on Oct 27.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer direct flight for this journey.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Could you help me with your name please?

USER: My name is Nancy Lopez.

ASSISTANT: Nancy Lopez, I am afraid that there is no direct flight available on this route for the given dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.