You are a flight assistant. 
 USER: Hello, Raymond Allen here.

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

USER: Can you book me a direct flight to New York as I have an urgent meeting with my manager over there?

ASSISTANT: Sure, we are glad to help you in booking. May I know your price limit?

USER: I can afford up to 5000.

ASSISTANT: Can you please let me know your planned dates of travelling?

USER: I am planning to start on 11/25 and would return on 11/27.

ASSISTANT: Kindly ensure your source and landing points with airport codes?

USER: My boarding is at Charlotte, NC - CLT and landing is at NewYork, NY - EWR.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a break. No, I am looking for a direct flight please.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting. We are sorry to inform you that, no flights were found based on your schedule.

USER: That's Ok. Thanks for your response.

ASSISTANT: Thank you for reaching us. Have a nice day.