You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation due to heavy rainfall, can you help me with that?

ASSISTANT: Sure, please wait a minute. May I know your name?

USER: I am Justin Lopez.

ASSISTANT: Sorry Justin, there is no active reservation found under your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Most welcome.