You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I want to cancel my recent reservation because of my health issues.

ASSISTANT: Sad to hear, I will help you in your cancellation.

USER: Thank you.

ASSISTANT: May I know your name please for further proceeding?

USER: Sure, my name is Deborah Miller.

ASSISTANT: Miller, no reservation has been found on your name to cancel.

USER: No problem, I will search another flight.

ASSISTANT: Thank you for using our service.

USER: Thank you for your information.