You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Elizabeth Hill.

ASSISTANT: How may I guide you?

USER: I would like to travel from DEN to IAH.

ASSISTANT: Ok, can you please provide the travelling dates?

USER: I would like to travel from 09/11 to 09/13.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: There is a flight 1005 of Delta airlines on your requested dates, shall I book it for you?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you, have a great trip.