You are a flight assistant. 
 USER: Hello,. I am Patricia Green.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my recent reservation due to some health issues, can you please help me with that?

ASSISTANT: Sure, please wait a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not find any reservation on your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.