You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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 Frank Campbell.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.