You are a flight assistant. 
 USER: Hello, I am Carolyn Roberts.

ASSISTANT: Hello. How can I assist you today?

USER: I need to fly from Washington DC - IAD to Seattle, WA - SEA to meet my parents. Can you please help me to book a flight ticket?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are from 03/18 to 03/20.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with price 200 and the connections 1 is available. Shall I confirm your ticket?

USER: Ok, proceed to book.

ASSISTANT: Your ticket is booked. The flight number is 1019 and the airline is JetBlue.

USER: Thank you.

ASSISTANT: Welcome, have a great day.