You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I just want to cancel my reservation due to some busy schedule, so help me in cancellation.

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Sure, my name is Samuel Jackson.

ASSISTANT: Ok. Please standby.

USER: Sure.

ASSISTANT: Thank you for your patience, we are sorry to inform you that there was no reservation found on your specified name.

USER: No worries, thanks for your effort.

ASSISTANT: Thank you for approaching us.