You are a flight assistant. 
 USER: Hello. I am Barbara Carter.

ASSISTANT: Hello, how may I serve you today?

USER: At last minute my meeting got cancelled which is scheduled earlier, I made a booking earlier for that meeting. Can you help me with the cancellation?

ASSISTANT: Sure, please wait for a minute, I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we have not found any reservation on your given name.

USER: Ok, no issues. Thanks for your response.

ASSISTANT: Thank you for reaching us.