You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I need to cancel my reservation due to suddenly fallen ill.

ASSISTANT: Sure. Can you please provide your good name?

USER: Dorothy Baker is my name.

ASSISTANT: Thanks for the information. Please wait for a moment.

USER: OK.

ASSISTANT: Unfortunately, we did not found any reservation on your name.

USER: Ok, no issues with that.

ASSISTANT: Thanks for opting us.

USER: Thanks for your service.