You are a flight assistant. 
 USER: Hi, I am Stephanie Carter.

ASSISTANT: Hello, how could I assist you today?

USER: Due to having an important meeting, I want to cancel my recent reservation. Could you aid me in cancelling my reservation?

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry to notify, there is no reservation found on your given name.

USER: No, problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.