You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I have an appointment at New York, NY - JFK on 02/10  with my client so, can you please assist me to book a ticket?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your source code and return date?

USER: My boarding point is DC-IAD. I intend to return on 02/12.

ASSISTANT: D you have any other specifications?

USER: Yes, I need a way station in between my journey.

ASSISTANT: May I know your good name?

USER: I am Brenda Brown.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no flights with your specifications.

USER: No issues. Thank you.

ASSISTANT: Thank you for reaching us.