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

ASSISTANT: Hello, how may I assist you today?

USER: I would like to cancel my recent reservation due to an emergency. Can you help me with cancellation?

ASSISTANT: Ok. Please give me a minute, I will check and get back to you.

USER: Sure.

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

USER: Ok, No problem. Thanks for the information.

ASSISTANT: Thank you.