You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Dennis Gonzalez here. I want to cancel my ticket due to inclement weather in my hometown.

ASSISTANT: Sure, I will help you out.

USER: Ok.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there are no reservations found.

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing us.