You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Due to an urgent work, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, Please wait a while. May I know your name to check the available reservation?

USER: Kenneth Parker here.

ASSISTANT: Unfortunately, There is no reservation found with your specified name.

USER: No issue, Thank you.

ASSISTANT: Thank you for choosing us, Have a nice day.