You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation, Can you please help me in that?

ASSISTANT: Sure, let us know your name please?

USER: My name is Sandra Wright.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sandra Wright. I regret to inform that there is no reservation by your name.

USER: Ok, that's not a problem.

ASSISTANT: Thank you for reaching us.