You are a flight assistant. 
 USER: Hello. I am Justin Perez.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure. please wait for a while.

USER: OK.

ASSISTANT: Sorry, there is no reservation found by your name.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you and have a nice day.