You are a flight assistant. 
 USER: Hello. I am Debra Brown.

ASSISTANT: Hello, how can I help you today?

USER: I am a professor and I have to give a seminar in my university which is in Philadelphia, so I need a flight ticket from New York to Philadelphia region. Can you please help me  in that one?

ASSISTANT: Sure, please share your planned trip dates?

USER: Sure, I would like to airborne on 04/26 and recur back to my home town on 04/28.

ASSISTANT: May I know the airport code of New York?

USER: Sure, the nearest airport code of New York is LGA.

ASSISTANT: Ok, any other requirements to be met?

USER: Yes, I am looking for a 1 stop and go in between my trip and I can afford up to 200 for the ticket.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: Ok, that's fine. Thank you for your search and I can reach my location with any other source.

ASSISTANT: Thank you for opting us.

USER: Welcome.