You are a flight assistant. 
 USER: Hello, I am Ryan Roberts.

ASSISTANT: Hello, Ryan Roberts, how can I assist you today?

USER: I want to participate in Boxing at Denver, CO - DEN, so I need to book a ticket.

ASSISTANT: Sure, Can you please provide your source and journey dates?

USER: My origin is Atlanta, GA - ATL and depart on 05/12. My arrival day is on 05/14.

ASSISTANT: Ok, Thanks for your information. Please wait for a while, I will examine and notify you the flight details.

USER: Ok.

ASSISTANT: Thanks for your patience, we found an UA plane that suits your details. The flight number is 1025 with a single connection and the fare is 200. Can I proceed further?

USER: Sure.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thanks for communicating with us, have a safe journey.