You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in flight ticket booking process from LAS to IAD?

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

USER: Thank you for your response, I want to take off on Mar 23 and book my return ticket also on Mar 25.

ASSISTANT: May I know your connection limit?

USER: I will prefer 1 break in between my journey.

ASSISTANT: Do you have any other specifications?

USER: I want to travel in business class flight.

ASSISTANT: May I know your good name?

USER: Sure, my name is Amanda Hill.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.