You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Scott Collins.

ASSISTANT: How may I assist you?

USER: I would like to visit National Archives Building in Washington DC, can you please book a flight ticket from SEA to DCA?

ASSISTANT: Sure, can I know your travelling dates?

USER: Sure, I have planned my dates as 12/22 and 12/24.

ASSISTANT: Ok, give me a moment.

USER: Sure, take your time.

ASSISTANT: I have found a flight or you with a price of 100 and a connection of 1. Can I proceed?

USER: Yes, it suits to me.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: You are welcome.