You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Ryan Clark. I want to go to Denver next month for my film shooting purpose, can you please book a flight ticket from PHX to DEN?

ASSISTANT: Sure, I am here to help you. Can I know your itinerary dates?

USER: Thanks, I want to take off on 08/11 and confirm my return ticket also on 08/13.

ASSISTANT: Ok, give me a minute.

USER: Ok.

ASSISTANT: According to your details, I have found a flight having a connection limit 1. Shall I proceed with the booking?

USER: Please confirm this flight ticket for me.

ASSISTANT: Yes, your ticket is confirmed with the flight number 1001.

USER: Thank you for your help.