You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Jerry Jackson, I want to cancel my reservation which I have done last week.

ASSISTANT: Sure, can you help me with your name to proceed?

USER: I have mentioned above.

ASSISTANT: Ok, please wait for a moment to check your details in my records.

USER: Ok, sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: It's ok, anyway thank you for the help.

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