You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this minute?

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

ASSISTANT: Sure, I am glad to help you with that. Can I know your travelling dates?

USER: My travelling dates are Nov 21 and Nov 23.

ASSISTANT: Do you have any other requirements?

USER: I need a flight with single connection in business class.

ASSISTANT: Ok, do you have any other preference?

USER: No, thank you for asking.

ASSISTANT: Please wait for a minute.

USER: Ok, I will wait.

ASSISTANT: The Hawaiian airlines are providing a flight having a connection limit 0. Can I proceed with the booking?

USER: You can proceed booking under the name Raymond Lewis.

ASSISTANT: I have confirmed your flight ticket in an economy class and the flight number 1002.

USER: Thank you for helping me.

ASSISTANT: Sorry your ticket is confirmed in a business class. Thank you for reaching us.