You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am planning to book a ticket from IAD to JFK. Can you please help me out?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: I would like to travel on Feb 15 and return back on Feb 17.

ASSISTANT: Do you have any preferences?

USER: Yes, I am looking for a direct flight.

ASSISTANT: Can I know your name?

USER: My name is Laura Thompson.

ASSISTANT: There is a direct flight available with JetBlue airline, shall I proceed?

USER: That's fine, please proceed the booking.

ASSISTANT: Your booking is done with flight number 1023. Happy journey.

USER: Thank you for your service.

ASSISTANT: You are welcome, have a nice day.