You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Virginia Parker, I am planning to go to a friend's birthday party. So please help me to book a flight ticket from PHL on 10/11.

ASSISTANT: Please mention your journey details clearly.

USER: The destination airport is New York, NY-JFK and the return was on  10/13.

ASSISTANT: Ok. Give me a moment.

USER: Ok.

ASSISTANT: Sorry Parker, there is no flight with your requirements.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.