You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My work got postponed for 1 month, I need not to start my journey. So can you please cancel my recent reservation?

ASSISTANT: Sure, may I know your good name please?

USER: Anthony Collins is my name.

ASSISTANT: Ok, please wait for a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Sorry, no reservation found with your name.

USER: Ok, thank you for your help.

ASSISTANT: Ok, thanks for opting us.