You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit Central Park at New York, could you please help me with booking a flight ticket from PHL to LGA?

ASSISTANT: Yes, can you share me your dates of your journey?

USER: I would like to depart on Mar 4th and return on Mar 6th.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight in business class.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that there are no flights found on your requested criteria.

USER: OK, not an issue. Anyways, thank you for the information.

ASSISTANT: Can I know your name for documentation?

USER: I am Jennifer Green.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.