You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brian Martin here.

ASSISTANT: How can I  assist you today?

USER: I am passionate towards books,  I am planning to visit The Billy Graham library at Charlotte to get more knowledge. Help me in booking a flight ticket with single connection?

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

USER: Sure, my travelling dates are 02/22 and 02/24.

ASSISTANT: Ok, may I know your airport codes?

USER: I want to fly from IAD to CLT.

ASSISTANT: Here, I found a flight for you with single connection.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1000 and airline is Hawaiian.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.