You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brenda Perez.

ASSISTANT: How may I aid you?

USER: I need to cancel my reservation, can you help me out?

ASSISTANT: Sure, I will help you with the ticket cancellation. Can you please wait a minute?

USER: Sure.

ASSISTANT: Sorry for the trouble which is caused to you, there is no active reservation found with your name to cancel.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: You are welcome. Thank you for reaching us. Have a nice day.