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, let me know your name?

USER: My name is Stephen Mitchell.

ASSISTANT: Sorry, we did not find any reservation by your name  in our system.

USER: Not an issue, thank you.

ASSISTANT: Thank you for reaching us.