You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Myself Jeffrey Parker. I would like to visit Twin Peaks at San Francisco on 03/05, can you book me a flight ticket from DEN?

ASSISTANT: Sure, may I know your arrival date?

USER: Sure, I will be back on 03/07.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please share your destination point?

USER: Sure, my destination is CA-SFO.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no connecting flight available from your source location.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for opting us, have a good day.