You are a flight assistant. 
 USER: Hello, I am Margaret Wilson.

ASSISTANT: Hello. How can I serve you?

USER: As my schedule of attending an guest honour for an showroom opening got cancelled. Can you please help me in cancelling my reservation?

ASSISTANT: Sure, I can help you out. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for being waiting. We didn't found any reservation by this name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for consulting us.