You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. May I know your name? How can I be of your assistance today?

USER: I'm Benjamin Johnson, need to travel from Seattle to Washington.

ASSISTANT: Please provide airport codes and travel dates as well.

USER: WA-SEA - DC-DCA with dates 04/19 to 04/21. Price 200, connection 1.

ASSISTANT: Wait a minute I will get back to you. Thanks for waiting, there is a Southwest airline with flight number 1019, can I proceed to book?

USER: Please proceed.

ASSISTANT: Ok, your ticket is reserved.

USER: Thanks.

ASSISTANT: Thanks for choosing us.

USER: Thanks for the assistance.