You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself Joseph Davis. I am looking for a flight from SFO to ATL, can you help me in booking?

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

USER: Sure, my planned travel dates are Nov 20 and Nov 22.

ASSISTANT: Do you have any class preference?

USER: No, I am not looking for any class preference.

ASSISTANT: Any other requirements to be met?

USER: Yes, I would like to start my journey for the afternoon flight. I am looking for a normal cost airlines.

ASSISTANT: Ok, please wait a minute.

USER: Ok, please look for a connecting flight.

ASSISTANT: Sorry, there were no flights found on your route.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us, hope to serve you again.