You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name?

USER: Steven Brown here. Please book my ticket from HOU to IAD.

ASSISTANT: Brown, can I know your trip dates?

USER: My trip dates are from 09/12 to 09/14.

ASSISTANT: There is a flight available with us from UA airline. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket is confirmed with flight number 1011.

USER: Thank you.

ASSISTANT: Most welcome.