You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Rachel Rodriguez here. I want to book a flight ticket from IAD to MSP. Can you help me in that?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are Feb 9 to Feb 11.

ASSISTANT: Do you prefer economy or business class?

USER: I am comfortable with any class.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight and depart time should be in the evening.

ASSISTANT: We found a economy flight on your details with Hawaiian Airline, flight number: 1008. Shall I book this ticket?

USER: You can proceed.

ASSISTANT: Your ticket has been booked and depart time is on 23:00 pm.

USER: Thank you.

ASSISTANT: Thank you.