You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Sarah Davis. I need to book a flight ticket to attend an college function at NY-EWR, Can you please help me for booking from DC-IAD?

ASSISTANT: Sure, I will help you. May I know your journey dates?

USER: Sure, I will be starting my journey is Apr 13th and return is Apr 15th.

ASSISTANT: In which class do you want to travel?

USER: I am comfortable with any class.

ASSISTANT:  Please provide me your depart time and arrival time.

USER: I want to travel with any time.

ASSISTANT: Do you have any other preferences?

USER: I need a normal cost airline.

ASSISTANT: You have a flight 1006 in Hawaiian airline and price 300 with a connection, Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your information.

ASSISTANT: Thank you.