You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can serve you today?

USER: I need to travel Atlanta, can you please reserve flight ticket from SFO and ATL?

ASSISTANT: Sure, when you are planning to make your journey?

USER: My travelling dates are Mar,27 and Mar,29.

ASSISTANT: Please mention your connection limit.

USER: I need a direct flight.

ASSISTANT: Do you have any class preference?

USER: Economy class is preferred for my travel.

ASSISTANT: Do you need any other specifications in your journey?

USER: No.

ASSISTANT: Sorry we did not find any flights matching your preferences.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.

ASSISTANT: For documentation purpose may I know your name please?

USER: Myself Raymond Martin.

ASSISTANT: Thank you for choosing our services.

USER: Thank you for the information.