You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I best support you now?

USER: I would like to spend my time with my friends at Atlanta, please help me in booking a ticket from SEA to ATL.

ASSISTANT: Sure, may I know your preferable dates of journey please?

USER: My planned journey dates are on Feb 4 and Feb 6.

ASSISTANT: Do you want to fly out of business class or economy class flight?

USER: I prefer business class for my trip.

ASSISTANT: Do you need any layover in between journey?

USER: I need a flight with single connection.

ASSISTANT: May I know your good name please?

USER: My name is Mary Campbell.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I would like to return in the morning.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thanks for choosing us, wish you a good day.