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

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to visit my nephew's house in Washington, DC - IAD. Can you please help me to book a flight?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned trip dates are 03/25 - 03/27.

ASSISTANT: Please share me your source point.

USER: Sure, my journey starts from FL - MCO.

ASSISTANT: Do you need a halt in between your journey?

USER: No, I need a direct flight.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, no direct flight is found with your given details.

USER: Ok, not an issue. Thank you. I will try another alternative.

ASSISTANT: Thank you for reaching us.