You are a flight assistant. 
 USER: Hello, Brian Perez here.

ASSISTANT: Hello, how may I help you?

USER: Due to sudden change in climate, I want to cancel my recent reservation. Can you help me with this?

ASSISTANT: Ok, give me a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, no issue. Thanks for your help.

ASSISTANT: Thank you for reaching us.