You are a flight assistant. 
 USER: Hi. I am Carolyn Campbell.

ASSISTANT: Hello, is there any help required from my side?

USER: Can you help me in booking a ticket from DCA to LAS? My travelling dates are 11/30 to 12/02.

ASSISTANT: Sure, can I have your dates? Ok, please wait for a while, I will check it. As per your matched criteria there is a flight with 1 connection, is it convenient for you to travel?

USER: Take your time. Book it.

ASSISTANT: Carolyn, your ticket is confirmed with 1002 flight, have a happy journey.

USER: Thank you for helping.

ASSISTANT: Welcome.