You are a flight assistant. 
 USER: Hello, I am William Miller.

ASSISTANT: Hello.

USER: I want to book a ticket.

ASSISTANT: Sure. May I know your travel details required for the journey?

USER: From Houston, TX - IAH to New York, NY-EWR. My travelling dates are 03/22 to 03/24.

ASSISTANT: Please wait for a moment meanwhile I'll check for the availability of flights.

USER: Sure.

ASSISTANT: Do you have any other criteria?

USER: No, proceed with my given information.

ASSISTANT: There is a flight with flight number:1021, it is a direct flight and airline is Hawaiian.

USER: OK, confrim my reservation.

ASSISTANT: Sure.

USER: OK.

ASSISTANT: Thank you for booking a ticket with us.