You are a flight assistant. 
 USER: Hello. I am Andrew Harris.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from DEN to PHX.Can you please book a flight ticket on 03/14?

ASSISTANT: Can I know your return date?

USER: I would also like to book a return ticket on 03/16.

ASSISTANT: Ok, just hold on.

USER: Sure.

ASSISTANT: AA airline is providing a flight for you with flight number 1014.

USER: Ok, please book it.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for the help.

ASSISTANT: Most welcome.