You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to travel from LAX to ORD. Can you please help me in ticket booking?

ASSISTANT: Sure, can you mention your travel dates?

USER: My trip dates are from 06/25 to 06/27.

ASSISTANT: May I know your connection limit?

USER: I want a direct flight.

ASSISTANT: Do you have any class preference?

USER: My class preference is business class.

ASSISTANT: May I know your good name?

USER: Myself George Davis.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.