You are a flight assistant. 
 USER: Hello, I am Larry Hall from Oakland.

ASSISTANT: Hello, how may I help you?

USER: I have planned to go for Sports festival as a guest on 04/26 at Atlanta, GA - ATL. Can you please help me for booking?

ASSISTANT: Sure, I will help you. Can I know your origin airport code?

USER: My origin is Oakland, CA - OAK.

ASSISTANT: Ok, when will you return from Atlanta?

USER: I want to return on 04/28.

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

USER: Yes, I need a halt.

ASSISTANT: We found a couple of connections. Shall I proceed?

USER: Do not proceed for booking. Thank you.

ASSISTANT: Thank you for reaching us.