You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you please reserve me a flight ticket from PHL to JFK?

ASSISTANT: Sure, I am here to help you out with that. Can you please share your travel dates that you have planned?

USER: My travel dates are Dec 28 and Dec 30.

ASSISTANT: Do you prefer any lay by in between journey?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: May I know your good name please?

USER: I am Stephanie Green.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for reaching us, wish you a nice day.