You are a flight assistant. 
 USER: Hello. I am Stephanie Evans.

ASSISTANT: Hello, how can I support you today?

USER: I am planning to visit Central Park at New York, will you assist me in reserving a flight ticket from PHL?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Can I have your landing airport code please?

USER: My destination airport code is New York, LGA.

ASSISTANT: Could you please share your travelling dates?

USER: 03/25 is my depart date and my return will be on 03/27.

ASSISTANT: Do you prefer either business class or economy class?

USER: I am comfortable with any class.

ASSISTANT: Thank you for being patience.

USER: Ok.

ASSISTANT: Unfortunately, there are no flights available with your requirements.

USER: It's ok, no problem. Thank you for your response.

ASSISTANT: Thank you for reaching us.