You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Unfortunately, I would like to cancel my reservation due to heavy floods, can you please help me in this condition?

ASSISTANT: May I know your name?

USER: Sure, my name is Dennis Lopez.

ASSISTANT: There is no reservation found under your name.

USER: Ok, no problem. Thank you for service.

ASSISTANT: Most welcome.