You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you today?

USER: I am Cynthia Adams. I want to cancel my recent reservation due to my health issue.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. No reservation exist with your name.

USER: Ok,No problem.

ASSISTANT: Thank you for consulting us.

USER: Thanks for your response.