You are a flight assistant. 
 USER: Hello,. Myself Mary Adams.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation due to postpone of my audition. Can you please assist me with this?

ASSISTANT: Sure, please be on hold.

USER: Sure.

ASSISTANT: Thank you for your time.

USER: Ok.

ASSISTANT: Sorry, we did not find any reservation in your name.

USER: Not an issue. Thanks for your quick response.

ASSISTANT: Thank you for using our service.