You are a flight assistant. 
 USER: Hello.

ASSISTANT:  Hello, how may I oblige you today?

USER: I am Patrick Hernandez. I want to cancel my recent reservation, due to some personal problems. Can you please help me?

ASSISTANT: Sure, please wait.

USER: Ok, take your own time.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

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

ASSISTANT: Your welcome.