You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Brian Taylor, want to travel from DCA to IAH.

ASSISTANT: May I know your trip dates?

USER: My travelling dates are from 02/25 to 02/27.

ASSISTANT: In AA airline, there is a flight for you with 1 connection and fare is 200. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.