You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Jonathan Williams.

ASSISTANT: How may I help you?

USER: I want to cancel my recent reservation due to some health issues. Can you please help me?

ASSISTANT: Sure, please be on hold.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any reservation in your name.

USER: That's ok, no issues. Thanks for your kind response.

ASSISTANT: Thank you for reaching us. Have a nice day.