You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello'.

USER: I am Virginia Roberts.

ASSISTANT: How can I help you?

USER: I would like to visit National Gallery of Arts in Washington DC as I am interested in collection of books. Can you please book a flight ticket from CLT to DCA?

ASSISTANT: Sure, can I know your travelling dates?

USER: Sure, my travel dates are 02/21 and 02/23. Can you please check the connection as 1?

ASSISTANT: Ok, give me a moment.

USER: Sure, take your time.

ASSISTANT: I have found a flight for you with a price of 200 and a connection of 1. Can I proceed?

USER: That's great. Please proceed to book.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking.

ASSISTANT: You are welcome.