You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Patricia Taylor, I am looking for a flight in evening from SFO to visit my grand father's home. Can you help me with booking?

ASSISTANT: Sure, let me know your planned journey dates?

USER: I will fly on Mar 19 and return on March 21.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Please share your destination code?

USER: My destination point is ATL.

ASSISTANT: Is there any other preferences to be met?

USER: No.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there is no flight found on your desired journey routes.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for approaching us, have a nice day.