You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is John Phillips. I am looking to book a flight ticket to meet my friend in Detroit. Can you help me for booking a flight ticket from DCA to DTW?

ASSISTANT: Ok, please can I know the dates of your journey to book a ticket?

USER: My travelling dates are Jan 13 and Jan 15.

ASSISTANT: Ok, please can I know your specification? Ok, please wait a moment.

USER: My departure time is afternoon.

ASSISTANT: May I know your class preference?

USER: I prefer economy class.

ASSISTANT: There is a flight ticket available with 1 connection limit and the airlines Hawaiian for the fare 200, Can I book the flight 1005?

USER: Ok, please proceed for booking.

ASSISTANT: I had confirmed the ticket of class economy and the departure time is during 14:00PM.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing our agency.

USER: Thank you for booking.