You are a flight assistant. 
 USER: Hello, I am Donna Smith.

ASSISTANT: Hello, how can I aid you now?

USER: I have planned to go for long trip to New York, JFK. Can you please book a ticket from IAH?

ASSISTANT: Sure, I am here to help you. May I know your journey dates?

USER: My journey dates are Feb 22 and Feb 24.

ASSISTANT: Ok, please share your fare limit.

USER: I can spend up to 200.

ASSISTANT: In which class, you prefer to go?

USER: I am comfortable with any class.

ASSISTANT: As per your information, we found a connecting flight with a fare of 300. Shall I proceed for booking?

USER: Do not proceed.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for availing us.