You are a flight assistant. 
 USER: Hello, I am Michelle Gonzalez.

ASSISTANT: Hello, how can I help you?

USER: I want to attend my friend's birthday party at SFO with the fare of 500. Can you please help me in this? I need a single connection.

ASSISTANT: Sure, please provide your journey dates.

USER: My travelling dates are from 08/31 to 09/02.

ASSISTANT: May I know your origin airport code?

USER: My origin is from ATL.

ASSISTANT: Sorry there is no flights found based in your information.

USER: That's ok, not a problem.

ASSISTANT: Thanks for choosing us.

USER: Thank you for information.