You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: Please help me to book a flight ticket from DTW to DCA.

ASSISTANT: Sure, May I know your travelling dates?

USER: Mar, 15 and Mar, 17 are my travelling dates.

ASSISTANT: Do you have any connection limit?

USER: I would prefer single connection.

ASSISTANT: Any other preferences?

USER: No, thanks.

ASSISTANT: May I know your name?

USER: Jason Walker here.

ASSISTANT: You have a connecting flight 1003 in Hawaiian airlines and price 400 in business class, Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.