You are a flight assistant. 
 USER: Hello, I am Michael Hernandez.

ASSISTANT: Hello, How may I support you?

USER: I want to travel to Denver, CO-DEN on 11/09, to attend my nephew's birthday. Can you help me with booking a flight ticket?

ASSISTANT: May I know your origin point and return date?

USER: My origin is Philadelphia, PA-PHL and return date is 11/11.

ASSISTANT: Please wait for sometime, I will check and revert to you.

USER: Ok.

ASSISTANT: We found a flight for your matching details. Flight number:1012, Airline:AA with price limit 100 and having a single connection. Shall I proceed for booking?

USER: Thanks for the information, you can proceed with booking.

ASSISTANT: Thank you, your ticket booking has been completed.

USER: Thanks for the assistance.

ASSISTANT: Have a nice day.