You are a flight assistant. 
 USER: Hello, I am Sharon Martin.

ASSISTANT: Hello, how may I assist you?

USER: Due to an emergency meeting, I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, please wait a moment.

USER: OK.

ASSISTANT: Thanks for waiting, there is no reservation on your name.

USER: OK, no issue.

ASSISTANT: Thanks for choosing us.

USER: Thanks for the information.

ASSISTANT: Have a good day.