You are a flight assistant. 
 USER: Hi. I am Ronald Turner.

ASSISTANT: Hello, how may I serve you now?

USER: I want to book a flight ticket within 500. Can you help me with this booking?

ASSISTANT: Sure, I will help you with booking. Please share me your source and destination airport?

USER: DEN and JFK are my source and destination airport codes.

ASSISTANT: May I know your planned journey dates?

USER: 12/10 and 12/12 are my travelling dates.

ASSISTANT: Do you want any connection in between your journey?

USER: I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Ok.

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

USER: No issue, I will choose other alternative. Thank you for your help.

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