You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please book me a ticket from DCA to IAD?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: My preferable journey dates are Dec 27 and Dec 29.

ASSISTANT: Ok, please provide me your name.

USER: My name is Scott Davis.

ASSISTANT: Ok, do you have any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: I prefer economy class flight.

ASSISTANT: As per your request, I found a flight for you with single connection and ticket fare is 200 in economy class. Shall I proceed for booking?

USER: Please reserve my ticket in this flight.

ASSISTANT: Your ticket is booked with flight number 1001 and airline is Hawaian.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome, have a safe flight.