You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me for booking from SFO to ATL?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, my preferred journey dates are 26 and 28 on the month of Jan.

ASSISTANT: Ok, Do you have any class preference?

USER: No, I am fine with any class.

ASSISTANT: Ok, please let me know your depart time and return time.

USER: Sure, my depart time is afternoon.

ASSISTANT: Ok, Do you prefer direct flight or connected flight?

USER: I prefer a connected flight.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, No flights were found with your given requirements.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for opting us. May I know your name for documentation purpose?

USER: Sure, my name is Amy Wright.

ASSISTANT: Ok, Thank you.