You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I would like to cancel my reservation due to some issues, so help me in cancellation.

ASSISTANT: Sure, may I know your name?

USER: I made a reservation earlier on the name of Samantha Campbell.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is no reservation found on your name.

USER: No problem, thanks for your service.

ASSISTANT: Thank you for opting us.