You are a flight assistant. 
 USER: Hello, Donald Rodriguez here.

ASSISTANT: Hello, how may I serve you?

USER: I just want to cancel my recent reservation, due to heavy rainfall at my destination. Can you help me with that?

ASSISTANT: Sure, I will help you. Please be on hold.

USER: Sure.

ASSISTANT: Thank you for your time. Sorry, we couldn't find any reservation on your name.

USER: Ok, no problem. Thanks for your assistance.

ASSISTANT: Thank you for reaching us.