You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: My name is Rachel Davis.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry for inconvenience, no reservation is found with your requirements.

USER: Not an issue, thank you.

ASSISTANT: Thank you very much for contacting our agency.