You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am planning to go to Seattle, please help me to book a flight ticket.

ASSISTANT: Sure, can I know the details of the travel.

USER: I want to travel from DCA on 08/14 and  the destination is SEA, the return was on 08/16.

ASSISTANT: Hold on for a moment.

USER: Ok.

ASSISTANT: Flight 1023 of Hawaiian airlines matches with your preferences, can I proceed?

USER: Can you tell me the connection limit?

ASSISTANT: The connection is 1.

USER: Ok, please book the ticket.

ASSISTANT: Your ticket is booked. Thank you, have a safe flight. Can I know your name?

USER: Thank you for your service. My name is Joseph Miller.

ASSISTANT: Thank you.