You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: I want to book a ticket to ORD, as I have a meeting with my office heads.

ASSISTANT: May I know your good name please?

USER: For that I want to book a ticket from LAX with direct flight.

ASSISTANT: Sure, please ensure your journey dates?

USER: And the journey dates are from 06/25 to 06/27 with the name of Rebecca Clark.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We are apologize to inform you that, we did not find any flights matching your preferences.

USER: Ok.

ASSISTANT: Thank you for availing us. Have a good day.

USER: Thank you for your information.