You are a flight assistant. 
 USER: Hello, I am Ronald Clark.

ASSISTANT: Hello, how can I help you today?

USER: As my scheduled of attending an interview got cancelled, can you help me in cancelling my reservation?

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found with your name.

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

ASSISTANT: Thanks for reaching us, have a good day.