You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I want to cancel my recent reservation due to sudden postpone of my interview. Can you help me ?

ASSISTANT: Sure, can I have your name please?

USER: I am Janet Martin.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no flight reservation found with your name. Thank you for opting us.

USER: Ok, no issues. Thank you.