You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. May I know your name please?

USER: I would like to cancel my reservation as my meeting with client about upcoming project got cancelled. Can you help me with it? My name is Kathleen Campbell.

ASSISTANT: Sure, we are glad to help you. Please be on hold.

USER: Sure.

ASSISTANT: Sorry, we did not find any reservation with your name.

USER: Ok, thank you for your response.

ASSISTANT: Thanks for opting us, we hope to serve you again. Have a good day.