You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, may I know your name please?

USER: My name is Jack Green.

ASSISTANT: Wait a while, kindly.

USER: Sure.

ASSISTANT: Sorry, no reservation found in your name to cancel.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.