You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I  am James Collins.

ASSISTANT: How may I support you now?

USER: I would like to attend Classical music event in Carnegie Hall at New York, LGA.

ASSISTANT: Ok.

USER: Can you please make a reservation with direct flight?

ASSISTANT: Sure. When you have to reach New York?

USER: I have to reach New York on 04/05.

ASSISTANT: May I know your boarding point?

USER: My boarding point is San Francisco, SFO.

ASSISTANT: When will you return?

USER: I would like to return from New York on 04/07.

ASSISTANT: Thanks for sharing your details, please wait.

USER: Sure.

ASSISTANT: There is no direct flight available with your requirements.

USER: Ok, no issues.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for availing us.