You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I need you to make few changes in my recent booking, please help me out.

ASSISTANT: Sure, may I know name to check for the status?

USER: Sure, my name is Patrick Perez.

ASSISTANT: I have found your reservation, please provide me the airport codes.

USER: DTW and DEN are the respective in and out airport codes.

ASSISTANT: May I know the planned travel dates?

USER: April 14 and 16 are my planned travelling dates.

ASSISTANT: Please provide me the specifications.

USER: I would prefer to fly in a normal-cost airlines.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 200. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1013 in American Airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.