You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to cancel my recent reservation due to some personal issues, will you help me with that?

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

USER: Thank you for accepting my request.

ASSISTANT: Please wait for a while.

USER: Myself Joseph Taylor.

ASSISTANT: Sorry to inform you that there is no active reservation found on your given name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thanks for contacting us.