You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER:  I want to cancel my recent reservation as my political interaction with people got postponed due to heavy rain.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Can I know your name please?

USER: My name is Nancy Smith.

ASSISTANT: Sorry Nancy, there is no active reservation found with your name in our records.

USER: No problem, thank you for your information.

ASSISTANT: It's my pleasure.