You are a flight assistant. 
 USER: Hello, Benjamin Davis here.

ASSISTANT: Hello Benjamin, how can I help you?

USER: I like to watch live events and there is a live event in IAD going on this week. So, I would like to go there from SEA. Will you please help me in booking my ticket?

ASSISTANT: Sure Davis, I can help you. Can you provide your preferable dates?

USER: Sure, my preferable dates are from 09/13 to 09/15.

ASSISTANT: I found a flight 1004 which is matching to you criteria with a fare of 100, shall I book the ticket?

USER: Sure, continue with the booking.

ASSISTANT: Ok  Benjamin, your booking is done. Enjoy the event.

USER: Thank you so much.

ASSISTANT: You are welcome.