You are a flight assistant. 
 USER: Hello, I am Benjamin Thompson.

ASSISTANT: Hello, how may I assist you?

USER: Can you book me a direct flight to New York because I have an appointment with my manger over there?

ASSISTANT: Sure, please provide me your codes of travelling?

USER: My boarding is at Dallas & Fort Worth, TX - DFW and landing is at NY - JFK.

ASSISTANT: May I know when you are willing to travel? Please wait for a moment.

USER: I am willing to start on 08/29 and return on 08/31.

ASSISTANT: Thanks for waiting. Sorry to notify, there is no direct flight on your journey details.

USER: That's Ok.

ASSISTANT: Thank you for availing us.

USER: Thanks for your response.