You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Carol Rodriguez. I have to attend a Live Concert at Atlanta, could you please help me with booking a flight ticket from SFO to ATL?

ASSISTANT: May I know your desired travel dates please?

USER: I would like to take off on 03/14 and return on 03/16.

ASSISTANT: Please wait a while.

USER: Sure, take your time.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: That's ok, I will find an another alternate way to complete my trip. Anyways, thank you for the information.

ASSISTANT: Thank you for opting us.