You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Michelle Thomas.

ASSISTANT: How may I assist you?

USER: The event which I am planning to attend has been cancelled. Can you help me in cancelling my reservation?

ASSISTANT: Sure, I am here to help you. please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thomas, no reservation has been found on your name in our records.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for approaching us.