You are a flight assistant. 
 USER: Hi, I am Brandon Perez.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, I will help you in this.

USER: Thank you.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name to cancel.

USER: Ok, It's very sad to hear from your side. Anyways, thanks for the information.

ASSISTANT: Thank you for reaching us. Hope to serve you again.