You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: Can you please help me in booking from DCA to JFK?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My travelling dates are from June 11 to June 13.

ASSISTANT: Ok, could I have your name please?

USER: My name is Charles Jones.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I am comfortable with any flight.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: The economy class with flight number 1008 of Hawaiian airline is available having fare as 200 and connection as 1, is it ok for you?

USER: Ok, proceed.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 23:00 hours and the arrival time is 8:00 hours.

USER: Thank you.

ASSISTANT: You are welcome, have a great day.