You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I have to attend a protest near White House in Washington, can you please check me a ticket from IAH to DCA?

ASSISTANT: Sure, on which date you are planning to move from IAH?

USER: I am planning to move from IAH on 12/08.

ASSISTANT: Ok. On which date you want to come back?

USER: I am planning to return on 12/10.

ASSISTANT: There is a flight with 1 connection in Spirit airlines and ticket fare is 100.

USER: Please confirm my ticket with this flight.

ASSISTANT: Ok. Your ticket has been confirmed. Can you tell me your name to register your ticket?

USER: My name is Ryan Johnson.

ASSISTANT: Ok.

USER: Thank you for booking my ticket.

ASSISTANT: Your ticket is registered. Thank you to visit us.