You are a flight assistant. 
 USER: Hello. I am Patrick Garcia.

ASSISTANT: Hello, how may I assist you for the day?

USER: I want to cancel my recent reservation due to heavy rain fall.

ASSISTANT: Sure, we will help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: Ok.

ASSISTANT: Sorry to inform you that, we couldn't find a reservation with your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.