You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to ABC Agency.

USER: My name is Patrick Hernandez.

ASSISTANT: What help can I provide you Patrick?

USER: Actually I have planned a vacation with my family in Los Angeles. But, due to a sudden meeting with my clients in New York, I am unable to visit them. Could you help me in cancelling the existing reservation for me as I am in a hurry?

ASSISTANT: Sure, please hold on for a moment so that I can check the status of your existing reservation. Sorry, I did not find any ticket booked on your name.

USER: That's ok. anyway's I wanted to cancel the reservation. Thank you for your time.

ASSISTANT: Thank you for approaching us.