You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to book a ticket from Phoenix to Seattle. Could you book a ticket?

ASSISTANT: May I know your travel dates?

USER: Depart date is Apr, 24 and return is by Apr, 26.

ASSISTANT: Do you have any connecting flight preferences?

USER: I would prefer connecting flight.

ASSISTANT: Is there any other concern?

USER: No, thanks for asking.

ASSISTANT: United Airlines is providing the connecting flight and the fare of 600. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: May I know your name please?

USER: My name is Kimberly White.

ASSISTANT: Your ticket is confirmed for the flight 1006.

USER: Thanks.

ASSISTANT: Thank you for choosing us.