You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Could you please book a flight ticket from EWR to PHL?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My travel dates are Mar 18 and Mar 20.

ASSISTANT: Do you need any break?

USER: I need a single connecting flight.

ASSISTANT: May I know your name?

USER: My name is Brian white.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: Not a problem, thank you.

ASSISTANT: Thank you for reaching us.