You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jerry Baker.

ASSISTANT: How may I aid you at this moment?

USER: Can you please help me with flight ticket booking from JFK to EWR locations?

ASSISTANT: Sure, I am happy to help you with that. Can I know your planned trip dates?

USER: Thank you and my travel dates are Dec 28th and return back on Dec 30th.

ASSISTANT: Do you have any other specifications?

USER: I would like to return back in the evening time.

ASSISTANT: Ok, please wait for a minute.

USER: Sure and I need a single drop off in my journey, please check it.

ASSISTANT: Sorry to say that, there are no flight's available based on your journey details.

USER: Sad to hear that one, I can find any other source. Thank you for your help.

ASSISTANT: Thank you for reaching us.