You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I support you at this time?

USER: I want to cancel my recent reservation due to postpone of my job offer letter. Can you help me with that?

ASSISTANT: Sure, I will always be there to help you.

USER: Thank you.

ASSISTANT: To proceed for cancellation, We need to know your name?

USER: Frank hill here.

ASSISTANT: Please wait, I will be back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation on your name to cancel it. Thanks for reaching us.

USER: Ok, no problem. Thank you.