You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you now?

USER: My name is George Roberts.

ASSISTANT: Thank you for providing your name.

USER: I want to travel from Denver, CO - DEN to Phoenix, AZ - PHX to celebrate memorial day with my family. Can you help me, To book a ticket?

ASSISTANT: Sure, do you want any connection limits?

USER: My return date is on 05/29 and depart date is on 05/27. Connections limit should be 1. I have a price limit of 5000.

ASSISTANT: Thank you for the details. Please give me a while, let me check and get back to you.

USER: OK.

ASSISTANT: Thank you for your patience. We are happy to inform you, we found a flight Hawaiian airlines matches your criteria. Flight number 1004, price is 300.

USER: Please, Book the ticket.

ASSISTANT: Ok, your ticket has been confirmed with this airline. Thank you for choosing us. Have a happy day.

USER: Thank you very much for helping me.