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 please help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: My name is Larry Smith.

ASSISTANT: Sorry, there are no reservation found on your name.

USER: Not an issue, thank you.

ASSISTANT: Thank you for opting us.