You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Actually my Hockey competition is postponed, so that I want cancel my recent reservation. Can you help me?

ASSISTANT: Sure, may I know your name for the cancellation process?

USER: Ok, my name is Susan Clark.

ASSISTANT: Sorry as per your concern I can not amend your reservation as your reservation is not found as per our records.

USER: That's fine, not an problem. Thank you for your valuable information.

ASSISTANT: Welcome, thank you for reaching us.