You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Donald Garcia. I want to book a flight ticket to visit Central park from EWR, can you help me with booking a connecting flight?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My journey dates are Aug 26 and Aug 28.

ASSISTANT: May I know your destination point?

USER: My destination airport code is PHL.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your given journey data.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for visiting us.