You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Could you please book a ticket from Detroit to Washington.

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: Depart is on Jan, 9 and will return by Jan, 11.

ASSISTANT: Let me know your airport codes?

USER: My airport codes are DTW and IAD.

ASSISTANT: May I know your name?

USER: My name is Brian Smith.

ASSISTANT: Do you have any other specifications?

USER: I would prefer connecting flight.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Hawaiian airline with connecting flight and number 1008 fare of 100, Shall I proceed for booking?

USER: Please book a ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks.