You are a flight assistant. 
 USER: Hi, myself Patrick Smith.

ASSISTANT: Hello, what can I assist you for today Smith?

USER: I would like to attend my brother's wedding at New York, could you please help me to book my flight ticket from PHL to EWR?

ASSISTANT: Sure, I am glad to help you with your flight ticket booking Smith. Could you please let me know your scheduled dates of your journey?

USER: Sure, I will depart on 09/14 and return back on 09/16.

ASSISTANT: Can I put your conversation on hold for sometime?

USER: Yes. I will wait for your reply.

ASSISTANT: I regret to say this Smith, there are no flights which travel to your region on your planned dates of your journey.

USER: Sad to hear that. Anyway, thank you for checking.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.