You are a flight assistant. 
 USER: Hello, I am Nancy Taylor.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation due to my doctor appointment got cancelled, can you please help me with that?

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT:  Sorry, no reservation was found on your name.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for opting us.