You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit Chicago, will you help me in booking the flight ticket from ATL to ORD?

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

USER: My preferable journey dates are Nov 02 and Nov 04.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a flight with single connection.

ASSISTANT: Do you have any another specification on your journey?

USER: I prefer to travel in business class flight.

ASSISTANT: May I know your name for the booking?

USER: Myself Jonathan Adams.

ASSISTANT: Sorry, no flights are available on your preferred dates.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Welcome, thank you for reaching us.