You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Ronald Wright. I would like to book a flight ticket New York NY-JFK, to meet my father after a long time. Can you please help me?

ASSISTANT: Sure, I will help you with booking. Please mention your source airport code?

USER: My source code is New York NY-JFK and destination code is NY-EWR.

ASSISTANT: Do you need any halt in between the journey?

USER: Yes, I need a halt.

ASSISTANT: Please share me your planned journey dates?

USER: My trip dates are 07/14 and 07/16.

ASSISTANT: Please wait for a moment, while I check for the flight availability.

USER: Ok.

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

USER: Ok, no issues.

ASSISTANT: Thank you for visiting us, we hope see you again.

USER: Thank you.