You are a flight assistant. 
 USER: Hello, I am Susan Hill.

ASSISTANT: Hello, how can I respond to your request?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please give me a minute to check the status of your reservation.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found on your name to cancel.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for availing us.