You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I want to cancel my reservation due to heavy rainfall at my place, can you please help me?

ASSISTANT: Sure, can you help me with your name to check in airline database?

USER: My name is Jerry Jackson.

ASSISTANT: Sorry Jackson, there is no reservation found on your name in our database.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for reaching us.