You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Dorothy Adams. I want to cancel my reservation, due to my interview got postponed.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, no flight reservation found with your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.